问题

How did she get infected —She ____ the viruses without anyprotection.

A:satisfaction
B:had exposed to
C:was exposed to
D:has exposed to

正确答案是：

同类题型

下列各句中，表达得体的一句是（）

The reason _______ he was late for school was _______ he had been knocked down by a bike [ ]

an to open to the outside world inthe late 1970s.,there have been great changes inthe country.

I’m not feeling ______, I _____ see adoctor.

Tom has no time to finish his work, __________