____ good use you’ve made of your time to study, there’s still room for improvement.
| A．Though | B．That | C．Whatever | D．However |
If the food tastes nice, I’ll go to buy some more; _______, I won’t go.
| A．if not | B．when not | C．if any | D．when ever |
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 |