Children under six are not ___________to school except those of extraordinary intelligence.
| A．permitted | B．admitted | C．accepted | D．received |
This book is said to be a special one, which __________ many events not found in other history books．
| A．writes | B．covers | C．prints | D．reads |
You shouldn’t keep silent when __________．
| A．speaking | B．spoken to | C．spoken | D．speaking t |
---The meeting has begun and __________ he will come.
---Of course, he is sure to come. He’ll speak at the meeting.
| A．I believe | B．I hope | C．I think | D．I doubt if |
—What do you think of this matter? —This is a matter of__________ importance. I think.
| A．especial | B．quiet | C．rather | D．special |
Some countries are increasing their use of natural gas, and other forms of __________.
| A．source | B．energy | C．power | D．material |