7. I when there came a knock at the door.
| A．am going to bed | B．just about to go to bed | C．was about to go to bed | D．have gone to bed |
According to the recent research,heavy coffee drinking and heart attack is not necessarily___and effect
| A．reason |
| B．excuse |
| C．question |
| D．cause |
If vocabularies are the”building materials”of language,sentences are the”___parts” of writing
| A．vital |
| B．important |
| C．detailed |
| D．fundamental |
The delicious food at the hotel___the uncomfortable rooms,so nobody complained
| A．made up for |
| B．made up |
| C．tried out |
| D．made up of |
Everyone in the village likes Jack because he is good at telling stories and ___jokes
| A．turning up |
| B．putting up |
| C．making up |
| D．showing up |
Accustomed to___ the steep mountains,he had no difficulty reaching the top
| A．climbing |
| B．climb |
| C．having climbed |
| D．have climbed |