Sometimes it's better not to buy something new, and buy it ______ instead.

Tìm và sửa lỗi sai:

I asked him how far was it to the station if I went there by taxi.

Air pollution is such a serious _______ that it has been a direct factor in the ________ of millions of people each year.

Chọn từ đồng nghĩa với từ gạch chân:

By inventing revolutionary new technologies, such a super intelligence might help us eradicate war, disease and poverty.

Use relative pronoun:

They may feel sad and bad about themselves. This might affect their performance at school.

=> _____________________________________________________.

Electronic devices distract students from their studies. Students may play games, text, chat, and cheat.

Mrs Thoa was tired. She helped Tuan with his homework.

=> Although _________________________________________.