题目内容
The singer _____ frustrated when she wasn't sure of thecorrect answer.
[ ]
A. may be
B. used to
C. used to be
D. use to be
B. used to
C. used to be
D. use to be
C
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The singer sang many songs, ________ some of my favorites.
| A.include | B.included |
| C.including | D.to include |