The number of books in the bookshop is about 10,000 and a number
ofthem about science.
| A．is | B．was | C．are | D．were |
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 |
I still remember the college and the teachers ___I visited in London years ago.
| A．what | B．who | C．that | D．which |