They boy said ________ couldn’t he work out the problem but his teacher didn’t know how to do it.
| A．though | B．never | C．hardly | D．not only |
--- Please________ all the numbers and tell me the result.
---Those numbers________ 10,000.
| A．add to ,add up | B．add up, add up to |
| C．add up , add to | D．add up to, add to |
When we visited Zhou Zhuang again ten years later, we found it changed so much that we could hardly ________ it.
| A．request | B．recognize | C．swap | D．realize |
While________ along the road, Mr. Smith met an old friend of his.
| A．walked | B．he is walking | C．walking | D．is walking |
It was with the help of the local guide________ the mountain climber was rescued.
| A．how | B．who | C．when | D．that |
Either you or one of your students________ to attend the meeting that is due tomorrow.
| A．are | B．is | C．have | D．be |