China sent up Shenzhou V manned spaceship into space successfully, which shows  science and technology ___ rapidly in China.
#101501
A
have been developing
B
develops
C
is developing
D
has developed
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Mother blamed the dog for breaking the glass, but in fact I _____.
#103293
A
was to be blamed
B
is to be blamed
C
was to blame
D
is to blame
—Look, where are you going!—Sorry, I _______.
#100564
A
wasn’t noticing
B
didn’t notice
C
haven’t noticed
D
am not noticing
 I didn’t hear you because I __________ the news on the radio.
#100146
A
listen to
B
am listening to
C
listened to
D
was listening to