—I'll call you ______ I arrive in Shenzhen． —Thanks, and good luck．
#31894
A
while
B
until
C
as
D
once
推荐题目
Doctor Smith has made another wonderful discovery, _______ great importance.
#30394
A
which I think is of
B
which I think it is of
C
which is I think
D
I think which is
.---Susan, what are you talking about?----_____I can finish writing the report on time.
#34718
A
If
B
When
C
Whether
D
What
_________ many times, but he still couldn’t understand it.
#32413
A
Having been told
B
Though he had been told
C
He was told
D
Having told
House prices vary from place to place and are usually high ________ there are famous schools.
#30276
A
when
B
since
C
where
D
whether