---- Let’s go shopping at the new mall.
---- Why not shop on line? It’s _________.
A. less expensive B. expensive C. more expensive
Tony wants _______a job as a language teacher in China.
A. to find B. finding C. find
—Do you know ________ she went to the movie last night?
—On foot.
A. when B. why C. how
—Let’s go dancing tonight.!
—Sorry, I ________.I have to go to my guitar lesson.
A. mustn’t B. needn’tC. can’t
Listen! Someone _________ for help!
A. called B. is calling C. has called
I am going to make ________special house for my pet pig this weekend.
A. an B. a C. the