| A．do | B．did | C．does |
| A．until | B．since | C．because | D．if |
| A．All right. | B．It’s right. |
| C．That’s all right. | D．Quite right. |
| A．and | B．but | C．has | D．with |
| A．him; by himself | B．his; by himself | C．him; himself | D．his; by himself |
| A．are | B．is | C．are going | D．will have |
| A．at | B．on | C．in | D．by |
| A．to | B．doesn’t | C．not to | D．to not |
| A．and | B．or | C．but | D．so |
| A．not to | B．not | C．don’t | D．don’t to |
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