单项选择题

A．They are used for rescue work.
B．They are taking the place of highflying jets.
C．They have been widely used for various purposes.
D．They are now used exclusively for commercial projects.
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单项选择题
A．He’ll start next week.B．He wouldn’t enjoy it.C．He would like time to decide.D．He wants his adviser’s opinion.
A．He’ll start next week.
B．He wouldn’t enjoy it.
C．He would like time to decide.
D．He wants his adviser’s opinion.
单项选择题
A．She lost Sally’s new address.B．Sally had to move unexpectedly.C．She’s no longer in contact with Sally.D．She’ll be glad to take the mail to Sally’s house.
A．She lost Sally’s new address.
B．Sally had to move unexpectedly.
C．She’s no longer in contact with Sally.
D．She’ll be glad to take the mail to Sally’s house.
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