Rockets are used to ___man-made satellites into space .
A . sendin up B . send up C . fly D . flying
麻烦说答案和解题思路 谢谢啦
Rockets are used to ___man-made satellites into space .
A . sendin up B . send up C . fly D . flying
麻烦说答案和解题思路 谢谢啦
B.
be used to是被用来的意思。误导你选A。
send up发射
b
BE USED TO后面接动词原形,fly是飞的意思,send up是送上去的意思