--_____ did Dave go on vacation?-- He went to the mountains.
_____ of the population in China ____ hardly to say.A. A number , isB. The number ,areC. The number , is
—This physics problem is too difficult. Can you show me _____, Wang Li?—Sure.A. what to work it outB. what to work out itC. how to work it out
— How much did you pay for the new car?— It_____ me more than ¥300,000.A. cost B. spent C. Made
-- Mum, must I stay there the whole day?-- No, you ______ . You ______ come back after lunch, if you like.A. mustn't; canB. needn't; mustC. needn't; may
Wang Fan , could you give us ______ on how to learn English _______?\A. some advices, goodB. any advices , wellC. some advice , well