__________ , some students tend to develop a range of unhealthy habits .
| A．Parents don’t watch over them | B．Not having watched over |
| C．With no parents to watch over them | D．Parents watched over |
Tom has a (n)for language，while his sister is a born pianist
| A．gift | B．present | C．ability | D．intelligence |
— Let’s go to a movie after work, OK?
— ___________. I am free tonight.
| A．Not at all. | B．What of it? | C．Never mind. | D．Why not? |
Thanks to the heavy rain, the football match _____ until next week.
| A．has to be put off | B．must have been put off | C．has to put off | D．must put off |
I don’t agree with you two. I prefer______ a new car rather than______ it.
| A．to buy; to repair | B．buy; repair | C．buy; to repair | D．to buy; repair |
It was not until he arrived at the office_____ realized he had forgotten the key.
| A．and he | B．when he | C．that he | D．he |