There are so many viruses on the Internet. If ____ accidentally, the viruses may make
your computer break down.
| A．downloading | B．to be downloaded |
C．downl oaded |
D．being downloaded |
-- He said you’d be giving them a lift.
-- ________. There are already five people.
| A．Why not? | B．Not likely. | C．What of it? | D．All right. |
-- Who is dancing to music in the next room?
-- ________ the children.
| A．It is | B．They are | C．That is | D．There are |
Check your paper carefully to see ________ you have made any mistakes.
| A．what | B．which | C．whether | D．that |
It rained a lot during their journey, so they ________ have had a good time.
| A．must | B．can’t | C．shouldn’t | D．might |
People ________ with anyone who is always talking about how wonderful he is.
| A．fall in | B．keep company | C．catch up | D．get fed up |