题目内容
Our teacher says, “books ________ good care of.”
[ ]
A.must be taken
B.must took
C.must take
D.must be took
答案:A
解析:
解析:
|
情态动词的被动语态结构. |
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相关题目
Our teacher ____ in our school for 29 years and he ____ here when he was 23 years old.
| A.has taught has come | B.taught , comes |
| C.taught , came | D.has taught, came |