( ) 7. ——Did you climb the mountain yesterday ? ——_______________________ A. Yes , It took us thirty minutes to climb to the top B. NO , I went to the zoo.
Of the three books, this one is the __________.A.thinnest B.thinner C.thinest
Please look____the baby when I go out.A.for B.in C.after
Tony must _____ good at ice-skating.A.is B.be C.are
Do you like_____, Gogo? Of course .Let’s go.A.swim B.swimming C.swimming
This is ____ very expensive watch.Don’t touch it.A.an B.a C.the