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
On AIDS Day, the minister of Health Department demanded that the problems _____ paid special attention to.
#91261
A
referred to being
B
referred to be
C
refer to being
D
refer to be
I hurried back home only ________ that I had left my key at my office.
#88695
A
to find
B
finding
C
having found
D
found
People have been complaining about SK-II recently and think the advertisements always persuade people _________ the products which are not so good.
#92353
A
buy
B
to buy
C
buying
D
bought
Our waste recycling project ________ a lot of investigation and paperwork had been done by the end of last term.
#88785
A
involved
B
to involve
C
being involved
D
involving
The ______ boy was last seen ____ near the East Lake.
#95899
A
missing; playing
B
missing; play
C
missed; played
D
missed; to play