—May I go out to play soccer ball?—I’m afraid not. You can’t play __ you have finished your homework.
#56921
A
after
B
when
C
of
D
unless
推荐题目
---I don’t know where to find something about the rainforest.---Why ______on the Internet? There is a lot of information about it.
#55228
A
don’t go
B
not to go
C
not going
D
not go
3D printers are still _____ expensive for most of us ______ afford.
#56721
A
so, to
B
such, to
C
too, to
D
much, to
__________ the story is short and there are few new words in it, it is difficult to understand.
#57853
A
Though
B
When
C
For
D
If
Last Sunday, we visited the factory _____ my father ever worked for four years.
#55913
A
where
B
which
C
what
D
that