－It's a long time ________ I last saw you．

－Yes, and it will be two months ________ we can meet again．

before; since

when; before

since; when

since ; before

－Guess what!I have got the highest score in the final exam．

－Great!You ________ worked very hard and put a lot of energy into it．

must

must have

should

should have

The manager says he needs an assistant that he can depend on to deal with the problems that may happen in his ________．

presence

absence

distance

appearance

Our teacher is clever and hardworking, but not very good at ________ his ideas to us．

getting over

getting across

getting on

getting into

－She might complain about you to the manager．

－________?I know I am in the right．

What for

Why not

What's up

So what

－What do you suppose ________ her look so upset?

－________ by her boyfriend again．

making ; Misunderstood

had made ; Being misunderstood

made ; Having been misunderstood

has made ; Misunderstood

This kind of glasses made by experienced workers ________ comfortably．

is worn

wears

has worn

has been worn

Your window wants ________；you'd better have it ________ this week．

cleaning; do

to be cleaned; do

cleaning; done

being cleaned; done

Between the two parts of the concert is an interval(休息时间), ________ the audience can buy ice-cream．

when

where

that

which

It is never clear ________ the man hadn't reported the accident sooner．

that

how

when

why