He made a great __________ to the success of the project.
| A．contribution | B．progress |
| C．distinction | D．conclusion |
2. During the war there was a serious lack of food. It was not unusual that even the wealthy families had to ______bread for days.
| A．calculated | B．considered | C．completed | D．controled |
1. Would you please __the paper for me and see if there are any obvious mistakes?
| A．look around | B．look into | C．look up | D．look through |
________ many times , he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America .
| A．are ; were | B．is ; were | C．are ; was | D．is ; was |
—You speak very good French !
—Thanks . I __________ French in Sichuan University for four years.
| A．studied | B．study | C．was studying | D．had studied |