I posted a book to her three weeks ago. She________have received it.
| A．must |
| B．should |
| C．might |
| D．could |
相关试题
There is no _______ to think more about the matter. Take it easy.
| A．point | B．doubt | C．worry | D．need |
. The young man，who by then _______ admission to university，decided to do some part-time jobs to gain more practical experience．
| A．gained | B．was gaining | C．has gained | D．had gained |
—Jack took the 8:30 bus to Guangzhou this morning.
—Really? He ______ 8:20 Express. It is mu
ch more comfortable and faster to travel by train.
| A．could have taken | B．would have taken | C．need have taken | D．must have taken |
—Tom, you get dead drunk again!
—_______? It’s none of your business.
| A．So what | B．How come | C．Why not | D．What for |
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