We _____ on this project for four hours. Let’s have a rest.
| A．are working | B．have been working |
| C．worked | D．had worked |
Bob ran the 100 meters in 9.91 seconds, and I have not seen ________ this year.
| A．the best | B．better | C．the most | D．more |
our article is too long. You must _______ to about 3000 words.
| A．cut it off | B．cut it up | C．cut it down | D．cut it into |
Filled with anger, he didn’t shout or swear, but just ________ silently at me.
| A．looked | B．stared | C．glared | D．glanced |
—You seem to show interest in cooking.
—What?_________, I’m getting tired of it.
| A．On the contrary | B．To the contrary | C．On the other hand | D．To the other hand |
The reason ___________he succeeded was _______he worked very hard.
| A．for; why | B．for; that | C．why; that | D．why; how |