单项选择题
Some scientists are checking the rocket a fifth time before it is launched. They must be very careful. You know, ______.
- A.all is well that ends well
B.seeing is believing
C.practice makes perfect
D.little leaks sink the ship
点击查看答案&解析
相关考题
-
单项选择题
The morpheme "cast" in the common word "telecast" is a(n) ______.
A.bound morpheme
B.bound form
C.inflectional morpheme
D.free morpheme -
单项选择题
—Patience is a good quality. —Yes, that is ______ it takes to do anything well.
A.what
B.which
C.that
D.how -
单项选择题
They are good friends, ______ is no wonder that they know each other so well.
A.This
B.That
C.There
D.It