选择正确的答案,把字母编号写在括号内.
.()1.—What's the matter ____ Jim?—He's ill.
A.of B.with C.for
()2.he'd better ____ the doctor.
a.see b.sees c.seeing
()3.let's ___ each other every week.
a.e-mail b.e-mails c.e-mailing
()4.joan's mother seldom ___ shopping at the weekend.
a.go b.goes c.going
()5.the children's father always ____ football with them on sundays.
a.play b.plays c.playing