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．downloaded | D．being downloaded |
The little boy still needed the ______ 20 dollars to do with the things ______ .
| A．remaining; remained to be settled | B．remaining; remaining to be settled |
| C．remained; remained to settle | D．remained; remaining to settled |
To his surprise, the lifestyle he was used to ______ greatly in the past few years.
| A．change | B．changing | C．changed | D．has changed |
---My little daughter is coughing worse than ever.
---She ______ to the hospital yesterday.
| A．had to be taken | B．should have taken |
| C．must have been taken | D．ought to have been taken |
It is in Huizhou ______ you’re going to pay a visit to ______ this kind of TCL TV set is produced.
| A．that; which | B．where; that | C．/; where | D．/ ; that |
After working until midnight for two weeks, he finally ______ and had to stay in the hospital.
| A．broke up | B．gave in | C．broke down | D．gave up |