Having finished her project, she was invited by the school to the new students.
| A．speaking | B．having spoken | C．to speak | D．to have spoken |
The hunter insisted that he _____ a tiger and that a searching team ______ to hunt for it.
| A．has seen; be set up | B．had seen; be set up |
| C．saw; would be set up | D．should see; should be set up |
Have you really realized the part computers have ____ in the daily life?
| A．made | B．given | C．caused | D．played |
__________for the bus, I heard a noise,
| A．While waiting | B．While I waiting | C．I was waiting | D．Waited |
To the parents’ worry, some middle school students are ______ computer games and completely forget their studies.
| A．crazy about | B．fond of | C．concerned for | D．serious about |
It was in 1969 ______ two Americans went to the moon by spaceship.
| A．when | B．that | C．at that time | D．just then |