. I ____ to the top of the tree, but I fell off it and hurt my leg.
| A．must have climbed | B．was able to climb |
| C．could have climbed | D．should have climbed |
相关试题
The students will take morning exercise every day, _________ it rains.
| A．except | B．except for | C．except that | D．except when |
As we all know, it is not important where you e from, but it really ________ where you are going.
| A．cares | B．wor | C．matters | D．functions |
It is _________ that a war will break out in the country.
| A．probably | B．possibly | C．likely | D．quickly |
---- How is your hometown after the earthquake for 2 years.
-----Than to the government, the reconstruction work of schools and farm houses ________ and people are living a happy life. 
| A．have been pleted | B．has pleted | C．was pleted | D．has been pleted |
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