限时训练
Ⅰ.单项选择。
( )1.He said that he _____ to Canada a few years ago.
A.had been to B.have been to C.went D.go
( )2.—Can’t you stop making so much noise? I really can’t _____ it.
—I’m terribly sorry for giving you so much trouble.
A.keep B.stand C.hear D.make
( )3.Trees can stop the sand _____ towards the rich farmland in the south.
A.moving B.to move C.from moving D.moves
( )4.Don’t give up _____ you will never succeed.
A.and B.but C.while D.or
( )5.There are five people in the room, but I know _____.
A.both of them B.none of them C.all of them D.neither of them
