单项选择题

We didn't know his telephone number, otherwise we ()him.

A．had telephoned
B．must have telephoned
C．would telephone
D．would have telephoned

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单项选择题
The ancient Egyptians are supposed () rockets to the moon.

A．to send
B．to be sending
C．to have sent
D．to have been sending
单项选择题
The early pioneers had to () many hardships to settle on the new land.

A．go along with
B．go back on
C．go through
D．go into
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