单项选择题

A．If people had more time to learn how to do it.
B．If its cost went down.
C．If it could make buildings more attractive.
D．If people realized its many advantages.
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单项选择题
A．She has always believed they exist.B．She heard about them in New Zealand.C．Stories about them may be based on giant squid.D．The instructor mentioned them in the lecture.
A．She has always believed they exist.
B．She heard about them in New Zealand.
C．Stories about them may be based on giant squid.
D．The instructor mentioned them in the lecture.
单项选择题
A．Tom is very responsible.B．Tom’s words aren’t reliable.C．What Tom said is true.D．Torn is not humorous at all.
A．Tom is very responsible.
B．Tom’s words aren’t reliable.
C．What Tom said is true.
D．Torn is not humorous at all.
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