Usually pilots need about a decade of experience _______ they can be promoted to captain.
#31003
A
after
B
before
C
then
D
when
推荐题目
The web is fantastic at many things—e-mail, e-commerce, for example. But ________ your name is Amazon or Google, making money has proved hard.
#33738
A
if
B
unless
C
although
D
as long as
The news is spreading around the airport is a heavy storm is coming.
#80157
A
what; /
B
that; that
C
/; that
D
that; which
The photo brought me back to the memory of the time in Qingdao, _________ I spent my summer holiday by the seaside with my friends.
#34091
A
that
B
when
C
which
D
what
He was very tired，and________he didn’t give the market report.
#31908
A
otherwise
B
besides
C
however
D
therefore
The important thing is _______ a man does, not ______ he says.
#31366
A
that; what
B
what; that
C
what; what
D
that; that