题目内容
Mary seems ________ the bad news, for she looks nice and happy．
[ ]
A．not to have learned
B．not to be hearing
C．not having learned
D．not to be heard
答案：A
提示：
提示：
|
用不定式的完成时，表示发生在谓语动词之前。 |
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Mary seems _______ the bad news, for she looks nice and happy.
| A．not to have learned | B．not to be hearing |
| C．not having learned | D．not to be |