—It is said that John’s paper got an A.
—He deserves it．He _________ a lot before he handed it in.
A．prepared B．prepares
C．had prepared D．has prepared
相关试题
She’s developing into someone who’s going to become very poor and require ______.
| A．looked after | B．being looked after |
C．looking after | D．to look after |
With more forests being destroyed, huge quantities of good earth _______ each year.
| A．is washing away | B．is being washed away |
| C．are being washed away | D．are washing away |
This event not only raised _______ of world hunger, but also raised lots of money to help starving children.
| A．information | B．knowledge | C．instruction | D．awareness |
____________ you may be right, I can’t altogether agree.
| A．While | B．As | C．If | D．Since |
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