Now science and technology have made _____ possible for the earth to support more people.
| A．that | B．what | C．it | D．this |
Mark was afraid of being scolded，so he________say what he thought to his parents.
| A．dare not to | B．doesn't dare to |
| C．dared not to | D．didn't dare to |
The audience waited in________silence while their aged speaker searched among his notes for the figures he could not remember.
| A．respective | B．respect | C．respectful | D．respectable |
I always hate________when reviewing lessons and appreciate________alone.
| A．disturbing；staying | B．to disturb；to stay |
| C．being disturbed；staying | D．to be disturbed：to stay |
Most of the students got a favourable impression________the new teacher，and they were especially impressed________his humour and broad knowledge.
| A．on；by | B．towards；with |
| C．of；with | D．to；with |
—You know，Bob is a little slow ________understanding.
—So I have to be patient________him.
| A．in；with | B．on；with | C．in；to | D．at；for |