Over 1500 new houses ______ each year. Last year, 1720 new houses _______. A. were built / were built B. are built / were built C. are building / were built D. were bu

Over 1500 new houses ______ each year. Last year, 1720 new houses _______.

A. were built / were built
B. are built / were built 
C. are building / were built 
D. were built / were being built

Trả lời

Đáp án: B

Giải thích: Câu trước dùng hiện tại đơn vì có “each year”. Câu sau dùng quá khứ đơn vì có “Last year”

Dịch: Hơn 1500 ngôi nhà mới được xây dựng mỗi năm. Năm ngoái, 1720 ngôi nhà mới được xây dựng.