赞题库-背景图
单项选择题

A doctor, together with two nurses, ______ sent to the mountain village.

A．have
B．have been
C．has
D．has been
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热门试题

单项选择题I recognized John ______ he entered the room.

A．hardly
B．the minute
C．no sooner
D．at once

单项选择题When does the meeting start ______ an hour.

A．For
B．In
C．On
D．At