——-We had a good time in dancing at a disco, why didn't you go with us?——-I ________ there, but my parents didn't let me go.
#102061
A
couldn't go
B
failed to go
C
hadn't gone
D
would have gone
推荐题目
--How did she get infected? --She ________the virus without any protection.
#100265
A
exposed to
B
had been exposed to
C
had exposed to
D
was exposed to
Do you think that bridge _________2,000 metres long? It doesn’t appear so long.
#100010
A
measures
B
is measured
C
has been measured
D
is measuring
Stop! You can never touch this machine when it ________, it is very dangerous. 
#102729
A
has been operated
B
will be operated
C
is operated
D
is being operated