A brilliant idea occurred to him, ________ to his research in the lab.
| A．while devoting | B．while devoting himself |
| C．while he was devoted | D．while devoted |
We can’t go on with the experiment because the computer_________.
| A．hasn’t been repaired | B．hasn’t repaired |
| C．is not repaired | D．hadn’t been repaired |
The two sides have finally___________, though some small differences still exist.
| A．made a decision | B．reached an agreement |
| C．settled down | D．broken up |
The harder you work,____________.
| A．the greater progress you'll make |
| B．the greater you'll make progress |
| C．you'll make the greater progress |
| D．you'll make greater progress |
--Do you like the material?
--Yes, it ___________ very soft.
| A．is feeling | B．felt | C．feels | D．is felt |
--Where is Xiao Wang?
--I don't know. He__________ be in the library.
| A．can | B．must | C．might | D．may |