—Did you manage to get in touch with David?
—No, I didn’t. I ______ him up, but there was no answer.
| A．ring | B．rang |
| C．will ring | D．would ring |
相关试题
Do you know that _______ with wise men improves your mind?
| A．chat | B．chats | C．chatted | D．chatting |
Only ______ a human being.
| A．when is it hungry a lion will attack |
| B．when it is hungry a lion will attack |
| C．when it is hungry will a lion attack |
| D．when is it hungry will a lion attack |
You’ve done much of the work, and please leave ______ to us.
| A．the rest | B．the other | C．another | D．the others |
The experts advise _______ our army _______ modern weapons.
| A．to equip; with | B．equipping; with |
| C．to equip; for | D．equipping; for |
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