—Can I help you, Madam?
— No, thanks. I_______.
A.have just looked around | B.just look around |
C.just looked around | D.am just looking around |
Wind power is an ancient source of energy we may return in the near future.
A.on which | B.by which | C.to which | D.from which |
When changing lanes, a driver should use his turning signal to let other drivers know___.
A.whichever lane he is entering | B.which lane he is entering |
C.whichever lane is he entering | D.which lane is he entering |
One reason for her preference for city life is she can have easy access to places like shops and restaurants.
A.that | B.how | C.what | D.why |
I can’t believe that anyone else in the school can swim as fast as you, ________?
A.can I | B.can't they | C.can't you | D.can they |
______ for the boy to talk with his mouth full!
A.What bad manners they are | B.How bad manners they are |
C.What bad manners it is | D.How bad manners it is |