My dog is gentle and never bites. So you needn’t be .
-- 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
Everyone knows that a desk is made __ wood and paper is made__ wood too.A. of , of B. of , from C. from, of
I’ m sure I can make myself _____, because I have improved my English greatly.A. understand B. understanding C. Understood
The river has become much ______ than before because of the waste water.A. dirty B. dirtier C. Dirtiest