The computer system_________ suddenly while he was watching news on the Internet.
| A．broke out | B．broke in |
| C．broke up | D．broke down |
I am going to do all I can _____ the bad impression you have of me.
| A．to remove | B．remove | C．to leave | D．leave |
The company was willing to provide us with what we needed, _____ made us excited.
| A．what | B．it | C．which | D．that |
_____ the doctors really doubt is _____ my mother will recover from the serious disease soon.
| A．What; when | B．That; how | C．What; whether | D．That; what |
The students of the music school study ____.
| A．music but also some other subjects |
| B．some other subjects as well as music |
| C．no subjects but music |
| D．neither music nor some other subjects |
I’d like to have this rope ____ that wire.
| A．joined in | B．joined to |
| C．join in | D．join to |