—This physics problem is too difficult. Can you show me _______, George?—Sure.
#61695
A
what to work out
B
to work it out
C
how to work it out
D
how to work out it
推荐题目
—Look, there_____ many birds around here, but now we hardly see them. What a pity!—Yeah! The air pollution has caused the problem!
#56353
A
are
B
used to have
C
used to be
D
use to be
--- Does Mike play basketball every day?--- He ________ that way, but now he plays only on Sunday.
#59632
A
used to play
B
is used to play
C
used to playing
D
was used to play
She looked at the professor and wondered where she_______ him.
#53713
A
saw
B
has seen
C
sees
D
had seen
--- Are you worried when your son often plays computer games? --- Yes. I think playing too many computer games ______ on teenagers.
#62708
A
have a good effect
B
has a good effect
C
has a bad effect
D
have a bad effect