---Is that Mr Smith?
---It __________ be him. He is in New York on business these days.
A. may not B. needn’t C. can’t D. mustn’t
The boy looked __________ because he didn’t pass his maths test.
A. sad B. sadness C. saddest D. Sadly
---When will Uncle Sam come to see us?
---He’ll see us this weekend. He _________ me by email.
A. told B. is telling
C. will tell D. is going to tell
--Why didn’t Peter _________ his homework?
---He said he had lost his workbook. I think it is an excuse.
A. does B. doing C. do D. Did
He has __________ arms now and is able to pick the table up with one hand.
A. strongest B. weaker C. weakest D. Stronger
---_________ did you work out the problem in such a short time?
---With Mr. Li’s help.
A. When B. Where C. How D. Which
