Not only , but I learned some knowledge.
| A．did I help other people | B．do I helped other people |
| C．I helped other people | D．helping other people |
—I’m sorry. That wasn’t of much help.
— ________. In fact, it was most helpful.
| A．Thanks anyway | B．It doesn’t matter | C．Of course not | D．Sure it was |
—Simon, I wonder _______.
—Last Saturday.
| A．when the foreign visitors arrived | B．when did the foreign visitors arrive |
| C．when the foreign visitors will arrive | D．when will the foreign visitors arrive |
Young people usually_________ city life to country life while old people _______ enjoy country life.
| A．would rather; prefer | B．prefer; would rather |
| C．would rather; would rather | D．prefer; prefer |
The food in the fridge ________ bad. Throw it away, please.
| A．is smelt terrible | B．smells terrible | C．smells terribly | D．is smelt terribly |
The factory ______ its waste into the river, but now it deals with the waste in a new way.
| A．used to dump | B．is used to dump |
| C．used to dumping | D．is used to dumping |