Astronaut Zhai Zhigang has become the first Chinese_____in space.
#97080
A
walking
B
walked
C
to have walked
D
to walk
推荐题目
________ in 1636, Harvard is one of the top universities in the United States.
#90179
A
Being founded
B
It was founded
C
Founded
D
Founding
Some people claim the rumor that some Egyptians are planning a 100,000 people anti-government protest．
#95248
A
to overhear
B
to have overheard
C
having overheard
D
to be overheard
Noticing a boy fall off his bicycle Mike ran over ______ if he was hurt.
#90352
A
seeing
B
to see
C
saw
D
seen
Another primary school is reported _______ for children in Wen Chuan now.
#97312
A
to have been built
B
to have built
C
being built
D
to be building
The first textbooks ______ for teaching English as a foreign language came out in the 16th century.
#90805
A
having written
B
to be written
C
being written
D
written