China sent up Shenzhou Ⅸ manned spaceship into space successfully, which shows science and technology ______ rapidly in China.
#100611
A
have been developing
B
have developed
C
has been developed
D
is developing
推荐题目
I’ll come after the meeting if time ______.
#104198
A
permits
B
is permitting
C
is permitted
D
has permitted
—What’s the noise outside? —The kids ______ in the garden.
#100329
A
have played games
B
play games
C
are playing games
D
are played games
A single pipeline ___________ all the houses with water.
#102223
A
is served
B
serves
C
are serving
D
serve
Before the first nonstop flight made in 1949, it_____ necessary for all planes to land for refueling.
#101489
A
would be
B
has been
C
had been
D
would have been
---- What were you doing when Tony phoned you?---- I had just finished my work and _____to take a shower.
#101309
A
had started
B
started
C
have started
D
was starting