Having mastered the technologies of manned spacecraft, China became the third country in the world ______ manned spaceflight independently.
#95914
A
develop
B
to develop
C
developing
D
developed
推荐题目
It’s easier to catch a _____ lion than the one that’s awake.
#90777
A
sleep
B
slept
C
sleeping
D
to sleep
She was reported by the hospital spokesman _____ excellent progress.
#95636
A
to make
B
to be making
C
made
D
having made
The novel is so interesting that it is worth ________ another time.
#92904
A
of reading
B
to read
C
reading
D
to be read
The professor has received the letter ____ to give a lecture in ftinceton Institute.
#98041
A
being invited
B
to be invited
C
inviting him
D
invited
________on a clear day，far from the city crowds，the mountains give him a sense of peace.
#88447
A
Walked
B
To walk
C
Having walked
D
When he is walking