[ Grammar ]
They usually spend their holidays in __________ mountains.
A. a
B. an
C. –
D. the

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Tag Question › ViewLet’s go to the beach, …………?
A. will we?
B. won’t we?
C. shan’t we?
D. shall we?
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This TV is very energy-efficient. It can ____ down on electricity use by 70%.
A. increase
B. reduce
C. cut
D. decrease
Grammar › ViewSuperlative: tired
A. more tired
B. most tired
C. the most tired than
D. the most tired
Grammar › View
What__________ he do in his free time?
A. does
B. do
C. is