Câu hỏi:
28/08/2023 13Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Studies show that trees and plants improve air ______________ which is very bad now because of the traffic.
Siêu phẩm 30 đề thi thử THPT quốc gia 2024 do thầy cô VietJack biên soạn, chỉ từ 100k trên Shopee Mall.
Quảng cáo
Trả lời:
Chọn D
Quảng cáo
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Rent equipment must be returned to the front desk before the center closes.
Câu 2:
Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of the main stress in each of the following questions.
Câu 3:
Câu 4:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Books ______________to their place before you leave the library.
Câu 5:
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
về câu hỏi!