单项选择题

They were just going out（）it began to rain.

A.when
B.as
C.while
D.and

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单项选择题

A．Sitting around all day.
B．Taking care of the house while the owner is away.
C．Watching a family’s kids in their house.
D．Renting your house to students.

单项选择题

Question: Where does this conversation most probably take place（）

A．At a bank.
B．At a store.
C．At a post office.
D．At your address.