---Why is the classroom so dirty?
--- Sorry, sir. It ______ yesterday. We forgot to do it.
| A．doesn’t clean | B．didn’t clean | C．isn’t cleaned | D．wasn’t cleaned |
—Did you dare to go out at night when you were a little child?
— No, I didn’t. I don’t have the ______ to go out alone at night even now.
| A．courage | B．power | C．ability | D．chance |
Tony told us ______ funny story, but he forgot ______ ending himself.
| A．a; an | B．an; the | C．an; a | D．a; the |
—It is reported that it will rain hard next Sunday.
—_______. We' re planning to go boating that day.
| A．I don't think so | B．I hope so | C．I’m afraid not | D．I hope not |
—Could you please tell me_______?
—Sorry, you can turn to Mr. Lee for help.
| A．how long can man live without water |
| B．how long could man live without water |
| C．how long man can live without water |
| D．how long man could live without water |
Not only he but also his friends_______ eager to help those who lost their homes in the earthquake.
| A．was | B．were | C．is | D．are |