1. Here are some       . Do you like       ?

A. oranges; them    B. orange; it  C. oranges; they    D. oranges; their

2. It took        people three months to build this great building.

A. two hundreds B. hundred of       C. hundreds of  D. two hundred of

3. —He        be in the classroom, I think.

—No, he        be in the classroom. I saw him go home a minute ago.

A. can; may not B. must; may not    C. may; mustn’t    D. may; can’t

4. —When is Lang Lang’s concert?  

—It’s        three o’clock        the afternoon of December 18th.

A. at ; in                              B. at; on          C. on; in            D. in; on