We must keep offthe forest fire if there is one． It's dangerous to stay near it．（ ）
| A． |
catch up with |
B． |
put off |
| C． |
keep up with |
D． |
stay away from |
We can't enter the room．I can't find my key．
Is it possible that you ________ it at home？（ ）
A．leftB．fixedC．managedD．designed
Give me a chance，________ I'll prove it to you．（ ）
A．andB．tillC．thoughD．while
When did the classroom have a power cut？
This morning，while we ________ a physics lesson．（ ）
A．have hadB．were having
C．are havingD．will have
Would you like some green tea？
No，thanks．I ________ drink green tea．It hurts my stomach．（ ）
A．almostB．seldomC．onlyD．still
Millie，________ do you take the course in DIY？
Every Saturday afternoon．（ ）
A．how longB．how farC．how muchD．how often