With the development of science and technology,there is no doubt_____Chineseastronauts will land on the moon in the near future.
#78558
A
whether
B
that
C
what
D
which
推荐题目
She is the only one of the persons ________ from the mistakes.
#78522
A
whom I know have learned
B
whom I know has learned
C
I know who has learned
D
I know who have learned