一Is there any possible way to help them get rid of such a bad habit?
一To tell the truth, it’s very hard．But we on this problem．
| A．worked | B．had worked | C．are working | D．had been working |
______in painting, John didn’t notice evening approaching.
| A．To absorb | B．To be absorbed |
| C．Absorbed | D．Absorbing |
—Did you have difficulty finding Ann' house?
—Not really.She___us clear directions and we were able to find it easily?
| A．was to give | B．had given |
| C．was giving | D．would give |
a single word can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.
| A．Just as | B．Even though |
| C．Until | D．Unless |
______ for two days, Steve managed to finish his report on schedule.
| A．To work | B．Worked |
| C．To be working | D．Having worked |
He must have sensed that I ________ him. He suddenly glanced at me and said quietly, "Why are you staring at me like that?"
| A．would look at | B．looked at |
| C．was looking at | D．am looking at |