Yesterday morning my mother _______ me a new bicycle as my old one _______ stolen.
A. bought-was
B. bought-had been
C. had bought-was
D. had bought-had been
Đáp án B
Giải thích: hành động xe hỏng xảy ra trước hành động mua xe, nên ta chia to be stolen ở thời quá khứ hoàn thành và to buy ở thời quá khứ đơn.
Dịch: Sáng hôm qua mẹ mua cho tôi chiếc xe đạp mới vì chiếc cũ đã bị đánh cắp.
He was playing very softly_____________ he _____________ disturb anyone.
He would never do anything to _______ the lives of his children.
They evacuated everybody from the danger zone_______ they _____ reduce the risk.
It looks like they are going to succeed_________ their present difficulties.
He sent his children to the school__________ get more knowledge.