1 . Please be sure to ________ the gas and electricity before you leave for your holiday.

A．shut off

B．put off

C．cut down

D．take down

2 . To save energy, we should ________ the light before we leave the room. (停止，关掉)

3 . —What did the workers do when they saw the materials on fire?
—They ________ the gas and electricity at once.

A．shut off

B．took off

C．put off

D．got off

4 . To save energy, we should ________ the electricity when we don’t use it.

A．put up

B．give up

C．take off

D．shut off

5 . All the mobile phone must be ________ during the training meeting.

A．cut off

B．shut off

C．put off

D．gotten off

6 . —A storm is coming. Make sure the electricity ________.
—Thank you for reminding me of it.

A．go off

B．take off

C．cut off

D．shut off

7 . We must ________ our dream until it is achieved, no matter how hard it is.

A．stick to

B．left out

C．shut off

D．give up

8 . Although China has ended lockdown(封锁), we’d better not________ masks(口罩) in public places now.

A．cut off

B．shut off

C．take off

D．get off

9 . —I’ve caught a headache.
—It will probably ________ when you take a good rest.

A．cut off

B．shut off

C．go off

D．put off

10 . I don’t know if Mr. Smith shut ________ the windows before he left the workshop.

A．off

B．down

C．up