The old man _____live with his wife, but now he ______alone after she died.
| A．used to, is used to live |
| B．used to, is used to living |
| C．was used to , used to live |
| D．did used to , is use to live |
An accident______ on this road last week.
| A．has been happened | B．was happened |
| C．is happened | D．happened |
Japanese can hardly avoid_______ products _____in China.
| A．to buy, made | B．buying, made |
| C．to buy, making | D．buying, making |
Only then______ have a chance _____ an astronaut.
| A．I will, becoming | B．I will, to become |
| C．will I , becoming | D．will I, to become |
Paula seldom comes late for school, _______ ?
| A．isn’t she | B．is she |
| C．doesn’t she | D．does she |