15.( ) Someone is knocking at the door. It ____my mother. It's time for her to be back.
A. can be B. may not be C. must be D. mustn’t be
14.( ) He is too old to ______the name of that book.
A. pick up B. think of C. come up D. fill in
13.( ) The man ____France will give us a talk ____his country.
A. from, on B. of, in C. of, about D. from, of
12.( ) My postcard is still on the desk. Why ______you ______it ?
A. haven't , posted B. didn't, post C. wasn't posting D. won't, post
11.( ) Can you ______who has lost the watch?
A. look for B. look up C. find D. find out
10.( ) My hobby is ______all kinds of coins.
A. to collect B. collecting C. to pick up D. picking up
9.( ) Now her lost books are usually______ the library.
A .returned B .returned to C. paid D. paid to
8.( ) One day the librarian ______ an idea.
A. came up B. came with C. came up with D. came up to
7.( ) She______ an English teacher.
A. uses to B. used to C. use to be D. used to be
6.( ) How long may I ______ the history books?
A. keep B. lend C. borrow D. return