In the office I never seem to have time until after 5：30 pm, _____ many people have gone home.
| A．that | B．which | C．whose time | D．by which time |
Please turn down the music, _________our neighbors next door will be disturbed.
| A．and | B．or | C．but | D．so |
In summer, food will go bad if_________in room temperature.
| A．leaving | B．left | C．being left | D．having left |
．QQ, _________you can chat with your friends, makes communication easy.
| A．why | B．which | C．that | D．where |
_________fit, we ought to learn more about our body and be careful with what we eat.
| A．Keeping | B．To keep | C．Having kept. | D．To have kept |
Of all the girls, Jane spent_________time and made_________mistakes.
| A．less; fewer | B．much; many | C．the least; the fewest | D．more; most |