用所给动词的适当形式填空。 [[QOrDeR]]I ________ (practise) the violin every day. 【小题2】Help your mother__________ (make) a cake. 【小题3】There ________ (be) too many cars on the street. 【小题4】Don't forget ________ (do) your homework. 【小题5】There ________ (be) enough time to work.