It was not yet dawn ______ the boy got to the school.
#67935
A
when
B
that
C
before
D
until
推荐题目
_______ is known to everybody that the moon travels round the earth once every month.
#73367
A
It
B
As
C
That
D
What
_________ you may have, you should gather your courage to face the challenge.
#67751
A
However a serious problem
B
What a serious problem
C
However serious a problem
D
What serious a problem
No one would have time to read or listen to an account of everything _____ going on in the world.
#73470
A
it is
B
as is
C
there is
D
what is
Students shouldn’t be given so difficult a problem ______they can not work out.
#72482
A
that
B
which
C
while
D
as
It is generally considered unwise to give a child___________ he or she wants.
#72249
A
however
B
whatever
C
whichever
D
whenever