Cold chicken is delicious ________ with salad.

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How long ________ we have the exa-mination?

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--Will you go now?

--Not until I ________ my experiments.

[　　]

A．will finish

B．will have finished

C．have finished

D．had finished

________ her home, Lucy helps her mother do the housework.

[　　]

A．As soon as she returns

B．After she gets

C．On arriving at

D．Directly she reaches

________ sat down for a rest ________ the door bell rang.

[　　]

A．Hardly had I; when

B．Hardly had I; than

C．Hardly I had; when

D．Hardly I had; than

Since then the number of people taking driving lessons ________ 20％.

[　　]

A．has increased to

B．have increased to

C．has increased by

D．have increased by

--You were brave enough to have raised objections at the meeting.

--Well, now I regret ________ that.

[　　]

A．to do

B．to be doing

C．to having done

D．having done

--Have you ever seen a dictionary ________ our school library, Tom ?

--Yes, it is over there and Mary is using it.

[　　]

--Why did he make marks on some trees?

--________ his way back easily.

[　　]

When the manager came into the office, he pretended ________.

[　　]