Having replaced the flat tire with a new one, we went on driving to the countryside.
A.We went on driving to the countryside and then stopped to replace the flat tire with a new one.
B.We were driving to the countryside when we had flat tire.
C.Unless we replaced the flat tire with a new one, we couldn't go driving to the countryside .
D.After we had replaced the flat tire with a new one, we went on driving to the countryside.

It is essential __________________ .
A.that everyone knows what to do when there is a fire
B.for everyone knowing what to do when there is a fire
C.that everyone know what to do when there is a fire
D.that everyone has to know what to do when there is a fire

______ is a situation in which large numbers of people have little or no food, and many of them die.
A.Disaster
B.Poverty
C.Famine
D.Flood.

Wait for me. I don’t want to ___________.
A.keep up
B.cool off
C.fall behind
D.give in

What a lovely baby! He certainly __________ his father.
A.look likes
B.looks forward to
C.looks after
D.takes after

"Let's go to the movie now." - "Oh, ________"
A.Good idea
B.I don't
C.Why's that?
D.I need it

________________, this disaster would not have happened.
A.Had you obeyed orders
B.You obeyed orders
C.Had you have obeyed orders
D.You had obeyed orders

They asked me a lot of questions, __________I couldn't answer.
A.much of which
B.both of them
C.neither of which
D.most of which

His visit toNew Yorkseemed to get ______ because he was busy at work.
A.more and more short
B.shorter and shorter
C.the shortest
D.the shorter and shorter

________(01)
A.neglect
B.forget
C.omit
D.ignore