Câu hỏi:

10/06/2024 638

For the last 20 years, we _______ significant changes in the world of science and technology.

A. witness

B. have witnessed

Đáp án chính xác

C. witnessed

D. are witnessing

Xem lời giải

Câu hỏi trong đề: 32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án !!

Trả lời:

Giải bởi Vietjack

Đáp án B

Giải thích:

"For the last + khoảng thời gian xác định" → dấu hiệu nhận biết thì hiện tại hoàn thành

Cấu trúc: S + has/have + Vpp

Dịch: Trong 20 năm qua, chúng ta đã chứng kiến nhiều thay đổi đáng kể trong thế giới khoa học và công nghệ.

Bình luận

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Don’t forget____the door before_to bed.

A. to lock/ going

B. locking/ going

C. to lock / to go

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Câu 2:

This project _____________ by the end of this month.

A. will have been finished

B. will be finishing

C. will finished

D. will have finished

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Câu 3:

Mexico City, _________has a population of over 10 million, is probably the fastest growing city in the world.

A. which

B. whose

C. that

D. Who

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Câu 4:

Students will not be allowed into the exam room if they _____________ their student cards.

A. don’t produce

B. didn’t produce

C. produced

D. hadn’t produced

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Câu 5:

Although at that time my knowledge of German was very poor, I _____________ most of what they said.

A. did understand

B. managed understand

C. didn’t understand

D. have understood

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Câu 6:

Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.

A. nor

B. so

C. yet

D. then

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Câu 7:

Vietnam is ______ the top exporters of rice.

A. in

B. of

C. between

D. among

Xem đáp án » 29/09/2023 2,559

Xem thêm các câu hỏi khác »

For the last 20 years, we _______ significant changes in the world of science and technology.

Nhà sách VIETJACK:

Bình luận

Don’t forget____the door before_to bed.

This project _____________ by the end of this month.

Mexico City, _________has a population of over 10 million, is probably the fastest growing city in the world.

Students will not be allowed into the exam room if they _____________ their student cards.

Although at that time my knowledge of German was very poor, I _____________ most of what they said.

Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.

Vietnam is ______ the top exporters of rice.

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VIP +6 tháng ( 299,000 VNĐ )

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🔥 Đề thi HOT:

For the last 20 years, we _______ significant changes in the world of science and technology.

Nhà sách VIETJACK:

Bình luận

Don’t forget__________the door before_______to bed.

This project _____________ by the end of this month.

Mexico City, _________has a population of over 10 million, is probably the fastest growing city in the world.

Students will not be allowed into the exam room if they _____________ their student cards.

Although at that time my knowledge of German was very poor, I _____________ most of what they said.

Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.

Vietnam is ______ the top exporters of rice.

VIP +3 tháng ( 199,000 VNĐ )

VIP +6 tháng ( 299,000 VNĐ )

VIP +12 tháng ( 499,000 VNĐ )

🔥 Đề thi HOT:

CHỌN BỘ SÁCH BẠN MUỐN XEM

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Don’t forget____the door before_to bed.