用情态动词can,may,must或他们的适当形式填空1.My father______ride a bike,but he______drive a car.2.You are ill,Tom.You________see the doctor.3.Children______play football in the street.4.If you are not careful,a car_______hit you.5.-______I come in?-Come in,please6.A blind man_______see anything.7.Please ask the policeman.He_______know the way to the hospital.8.-May I use your telephone?-No,you_______9.-______you help me?-sure!

1.My father__cannot____ride a bike,but he___can___drive a car.
2.You are ill,Tom. You___must_____see the doctor.
3.Children__must____play football in the street.
4.If you are not careful, a car__may_____hit you.
5.-__can____I come in? -Come in,please
6.A blind man___cannot____see anything.
7.Please ask the policeman.He__must_____know the way to the hospital.
8.-May I use your telephone? -No,you___cannot____
9.-____can__you help me? -sure!

1.can, may
2.must
3.mustn't
4.may
5.may
6.can't
7.may
8.mustn't
9.can

1.must,may
2.must
3.can
4.may
6.may
7.must
8.can't
9.can

1.can can't
2.must
3.can
4.may
5.May
6.mustn't
7.cna
8.couldn't
9.Can