The floor in the room was so dirty as if it ______ for days. A. hadn't swept B. haven't been swept C. wouldn't have swept D. hadn't been swept

Câu hỏi:

The floor in the room was so dirty as if it ______ for days.

A. hadn't swept

B. haven't been swept

C. wouldn't have swept

D. hadn't been swept

Trả lời:

Đáp án: D

Giải thích: Cấu trúc giả định As if /As though với tình huống giả định ở quá khứ:

S + Vqk + As if/As though + S + had (not) + Vp2

Dịch: Sàn nhà trong phòng bẩn như thể nó đã không được quét trong nhiều ngày.

Câu 1:

Tìm từ có phần gạch chân phát âm khác với những từ còn lại.

Câu 2:

If her condition should improve, we’ll inform you immediately.

=> Should ________________________________________________.

Câu 3:

Canada is rich in _________ such as zinc, nickel, lead and gold.

Câu 4:

________ his physical disability, he managed to finish the course with good results.

Câu 5:

There is an English examination ______ Friday, 11th December.

Câu 6:

Scientists are now looking (1) ______ cheaper way to use solar energy to heat air and water.

Câu 7:

Solar units on the (2) _______ of buildings collect the energy and use it to heat water.

Câu 8:

Although these units are still very (3) ________, more and more people are buying solar hot water heaters.

600 Bài tập trắc nghiệm Tiếng Anh 12 mới