82.I was only when I reread this poems recently _____ I began to appreciate their beauty.
| A．until | B．that | C．then | D．so |
How long do you think it will be _____ we can find a new water source?
| A．after | B．before | C．when | D．since |
High up in the mountains _____ a quiet small village, with only 20 households.
| A．surrounds | B．locates | C．lies | D．lays |
A heavy snow promises a good harvest, _____ is often the case.
| A．where | B．as | C．that | D．what |
After his wife died, he kept himself _____ from other people and the outside world,
| A．set off | B．cut off | C．put off | D．taken off |
— Why is little Jimmy so naughty today?
— He is bored, so he _____ a little silly.
| A．will be | B．is being | C．had been | D．would be |