_________(6)




A.Although
B.But





BBAlthough
C.Because
D.So

Listen! The teacher (explain)........... the lesson




A.will explain
B.was explaining
C.is explaining
D.explains

He should know how (use)............ the lift, but if he doesn't you'd better (show)............ him




A.to use - show
B.using - showing
C.to use - to show
D.using - showing

It is difficult to get used to (eat) with chopsticks




A.eaten
B.ate
C.eating
D.eat

We shouldn’t eat a lot of ...............




A.red rice
B.fresh fruit
C.fish
D.chocolate

Carbon dioxide may be absorbed by trees or water bodies, or it may stay in the atmosphere when _______ while it is only in the atmosphere that chlorofluorocarbons find their home.




A.by releasing emissions from cars
B.released from car emissions
C.cars that release emissions
D.emissions are released by cars

So little _______ about mathematics that the lecture was completely beyond me.




A.I have known
B.I knew
C.do I know
D.did I know

The money was stolen never found.




A.The
B.was
C.stolen
D.never

Choose the best answer to complete the following sentenses.
We …..............her a happy birthday




A.wished
B.said
C.told
D.wanted

Choose the best answer to complete the following sentenses.
You are …...........who noticed




A.the single
B.the only
C.only one
D.the only one