Qian Xuesen devoted all his life to ________________ China’s Space Program.
#49535
A
develop
B
developing
C
developed
D
develops
推荐题目
--- Excuse me, could you tell me how ______ to Beijing Zoo? --- Well, you may take Bus No.27.
#51193
A
get
B
gets
C
getting
D
to get
How much time did you spend ________ a bargain?
#51388
A
look for
B
looking for
C
to look for
D
looked for
The students enjoy _________ English songs after class.
#50140
A
practice to sing
B
practicing singing
C
to practice singing
D
to practice to sing