When would it be foryou to go to the science museum with me— I am free this Friday afternoon. Let’smeet at 2 p.m. at the school gate.

To put his wife _____ and to guarantee a promise of top secrecy, a husband may claim that alife-threatening assignment is just a business trip.[ ]

下列各句中，没有语病的一句是（ ）

Cars do cause us some health problems——in fact farmore serious ______ than mobile phones do.

I’m sorry to say that I didn’t ________ him to becomea successful writer .