－Look! How busy the building workers are!
－Yes, I see. The houses ____ by them will be completed next week.
| A．built | B．being built | C．to be built | D．having been built |
—How was your recent trip to Jiuzhaigou?
—I’ve never had one before.
| A．a tired | B．a more tiring |
| C．a most tiring | D．the most tired |
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 |
It was not until the end of the trip ______ I realized what a good feeling it was to have helped someone in trouble.
| A．as | B．that | C．where | D．when |
As a Chinese saying goes,a mountain ______ be too high or an ocean too deep. Therefore, there is no end to our self-improvement.
| A．shall never | B．will ever | C．can never | D．must ever |
Sometimes I act as a listening ear for fellow students ______ what is bothering them.
| A．to talk over | B．talked about |
| C．talk about | D．having talked over |