下列各句中，没有语病的一句是

It is known to all that every minute ____ full use of____ the lessons will benefit students a great deal

I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he＿＿ home for dinner[ ]

Generally speaking, how much you’re paid ______ howimportant you are to the company you’re looking for.

Would you mind ____ because there’re somany children ____ here