This vase wasn't________properly before it was put away.
| A．wiped up |
| B．wiped over |
| C．wiped off |
| D．wiped out |
The silence of the library is sometimes broken by a sudden cough or the sound of pages_____.
| A．turning | B．turned | C．being turned | D．having turned |
Not until the train pulled into the next station _____ her suitcase gone.
| A．Mary had found | B．had Mary found |
| C．did Mary find | D．Mary found |
____ no cash for food, he broke into an old woman's house, hoping to steal some money.
| A．Because | B．As | C．Since | D．With |
The Internet and the effect _____ brought about did a lot of good to our daily life and work.
| A．that | B．what | C．which | D．it |
--- I’m not good at singing, you know.
--- _____. It’s just for fun.
| A．All right | B．No problem | C．Come on | D．Cheer up |