—Who helped Li Lei with his English? — , he learnt it by himself.
A.Anybody | B.Somebody |
C.Nobody | D.Everybody |
The shoes were worn out, what’s more, they aren’t worth _____.
A.to mend | B.mending | C.mended | D.for mending |
— What's the population ____ the U.S.A?
— The U.S.A has ____ population of 297 million.
A.of…a | B.of… /, | C.in…a | D.in … some |
We should plant more trees on ____ sides of the street.
A.either | B.both | C.all | D.each |
---What are you going to do next weekend?
---I _____ yet. Do you have any good ideas?
A.haven't decided | B.won't decide |
C.have decided | D.didn't decide |
About 75% percent of the students can go swimming ____the rest can't.
A.while | B.and | C.so | D.or |