Nearly three months had gone by ______ the seriously injured girl showed a slight sign of recovery.
| A．until | B．after | C．since | D．before |
It was not until midnight ______ they reached the camp site.
| A．that | B．when | C．while | D．as |
I like getting up very early in the morning because the morning air is so good ______.
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
You ______ be hungry already — you had lunch only two hours ago!
| A．wouldn’t | B．can’t | C．mustn’t | D．needn’t |
The dictionary still ______ where I ______ it last Sunday.
| A．lied; lied | B．lied; lay | C．lays; lay | D．lies; laid |
Teenagers ______ their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |