单项选择题
M: Miss Polly. W: Yes, sir. Anything I can do for you M: Yes, please make a call to Dell. Tell them that we’ll place mi order for 20 personal computers. W: All right. I’ll do it at once.
A.13. B.20. C.30.
A.He has to find two jobs to support himself. B.He can’t decide whether to take a science course or not. C.He can’t study full time this year.
A.Biology and German. B.Maths and English. C.English and German.