It is impolite to leave the meeting finishes.
#58508
A
after
B
before
C
until
D
while
推荐题目
Earth is becoming more and more polluted. ______, people will move to Mars one day.
#55145
A
In order to
B
So that
C
As a result
D
Because of
— Does your aunt usually walk the dog in the park?— Yeah, bad weather stops her.
#55273
A
when
B
since
C
unless
D
if