They were surprised that a child could work out the problem ______ they themselves couldn’t.
| A．once | B．while | C．then | D．If |
—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 |
He is a shy man,___he is not afraid of anything or anyone.
| A．so | B．but | C．or | D．as |