We must do everything we can _________ our earth clearer and safer.
#49701
A
made
B
to making
C
make
D
to make
推荐题目
---- Dad , why should I stop ____ computer games ?----- For your health , my boy , I’m afraid you _______ .
#49342
A
to play; must
B
playing; have to
C
to play ; can
D
playing ; may
You’ll have an English exam tomorrow. You’d better ____ watch TV this evening.
#48764
A
to not
B
not to
C
don’t
D
not
— My computer has gone wrong. It needs _______ soon. — Why not have David _______ it? Nobody can if he can’t.
#48749
A
to fix; fix
B
to fixed; fixing
C
fixing; fix
D
fixing; fixed