I am very thin. I think, if I _____ smoking, I might get fat.
A.stopped
B.stop
C.had stopped
D.will stop

If you had caught the bus, you _____ late for work.
A.wouldn't have been
B.would be
C.would have been
D.wouldn’t be

I asked Martha ______ to enter law school.
A.was she planning
B.if she was planning
C.are you planning
D.is she planning

The scientist said the earth ________ the sun.
A.goes round
B.is going around
C.was going around
D.went around

Peter said that if he ________rich, he _________ a lot.
A.is – will travel
B.had been – would have travelled
C.were- would travel
D.was – will travel

Để loại bỏ khí SO2 có lẫn trong khí CO2, có thể dẫn hỗn hợp khí đó qua chất nào dưới đây ?
A.Dung dịch nước vôi trong (Ca(OH)2).
B.Bột CuO nung nóng.
C.Dung dịch NaOH.
D.Dung dịch nước brom.

He _______ that he was leaving way that afternoon.
A.says to me
B.said me
C.told to me
D.told me

“Be aware of the dog,” said Tom. à Tom warned us _______.
A.we should be aware of the dog
B.aware of the dog
C.being aware of the dog
D.to be aware of the dog

“John shouldn’t have behaved so badly.” said Janet.
A.Janet objected to John’s behaviors
B.Janet disliked John.
C.Janet doesn't like John's behaviors.
D.Janet was angry with John.

Should you want to get good marks, you ______harder.
A.mustn’t learn
B.would learn
C.had to learn
D.must learn