Even though I’d hurt my leg, I＿＿＿＿＿＿ swim back to the river bank. A．couldB．might
题型：不详难度：来源：
Even though I’d hurt my leg, I＿＿＿＿＿＿ swim back to the river bank. | A．could | B．might | C．had to | D．was able to |
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答案
| D |
解析
| can表示能力时可用be able to代替。但can只有一般时和过去时，be able to可用于各种时态。如果表示“过去有能力并成功地做成了某事"时，要用was/were able to，不用could。 |
举一反三
—— Will you stay for lunch?
—— Sorry, ＿＿＿＿＿. My brother is coming to see me. | A．I mustn’t | B．I can’t | C．I needn’t | D．won’t |
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—— I can’t get through to the general manager’s office anyhow.
—— The line is busy. Someone＿＿＿＿＿the telephone. | A．must use | B．uses | C．must have been using | D．must be using |
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—— Could I use your telephone?
—— Yes, of course you ＿＿＿＿＿＿＿＿＿＿＿＿＿. | A．could | B．will | C．can | D．might |
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| It is surprising that he＿＿＿＿at the meeting. |
If only I＿＿＿＿＿how to operate a computer as you do! | A．had known | B．wou欤?know | C．should know | D．knew |
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