We should _____ the power when our TV or computer is not used.
| A．turn on | B．turn off |
| C．turn up | D．turn down |
相关试题
I think there will be more
in big cities.
| A．pollution | B．policeman | C．population | D．prediction |
We should _____ the power when our TV or computer is not used.
| A．turn on | B．turn off |
| C．turn up | D．turn down |
I think there will be morein big cities.
| A．pollution | B．policeman | C．population | D．prediction |
for Hong Kong next Wednesday.
in the morning, but it rained in the aftemoon.
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