—Look, that old man looks __________.

—He _________ be in trouble. Let’s go and help him.

　　 A. worry; can　 B. worrying; must　 C. worried; must D. worried; should

 In Sweden, people don’t need to _______ too much money on presents, instead, making a meal is enough.

      A. spend        B. take         C. pay           D. cost

---Steven, could you help me ______ when the plane will take off on the Internet?

---I’m sorry, my computer doesn’t work.

　 　A. get on　 　　 　B. find out　 　 　C. look for　 　D. look after

—Do you think middle school students should be allowed to drive a car?

—No. They are not _____________.

　　 A. enough serious B. serious enough C. clever enough D. enough clever

 In our city, ________ college students want to work as a teacher in holidays.

A. thousand     B. thousands of   C. thousand of   D. two thousand of

 That boy is easy to         . You can become good friends quickly.

         A．get along                                         B．get along with

         C．getting along with                             D．getting along

-- Look at the boy running on the ground. Is it David?

-- It _______ be him. I saw him go to the teacher’s office just now.

A. might　　　 B. could　　　 C. can’t　 　　 D. mustn’t

Mother asked him to stop         that silly hat.

          A．to wear        B．wear              C．wearing      D．wears

—Have you ever studied with a group?

—Yes, I have. I’ve learned         that way.

          A．a lot of         B．a lot               C．lots of       D．plenty of

 If I _______ you, I would say another student could do it better.

A. was         B. were        C. were          D. are