It’s no long a question now ____men can land on the moon. 
#72945
A
that
B
which
C
whether
D
what
推荐题目
He started early _______he could get there before nine
#67727
A
in order that
B
because
C
so as to
D
in order to
—Do you think if Tom          the work well?—I think he will if he          his best.
#40997
A
does, will try
B
will do, tries
C
does, tries
D
will do, will try
 If we don’t save energy, it _____ some day.
#40988
A
will be run out
B
has been run out
C
will run out
D
has run out