Tom was thinking about how to explain to the teacher why he was late for class, when a good idea _______him.
| A．happened | B．brought | C．occurred | D．struck |
Not until Jane got off the bus did she find her wallet______.
| A．missed | B．missing | C．losing | D．miss |
The classroom is so dirty that it needs________ badly.
| A．clean | B．to clean | C．being cleaned | D．cleaning |
Americans eat____ vegetables per person today as they did in 1990.
| A．more than twice | B．as twice as many |
| C．twice as many as | D．more than twice as many |
Everybody, men and women, old and young, _____ sports and games.
| A．enjoy | B．were enjoying | C．enjoys | D．is enjoyed |
I had forgotten the date of that important battle so I _____ a history book.
| A．brought up | B．referred to | C．looked at | D．looked up |