(2019岳阳改编)The volunteers________ the sick kids in the hospital on weekends.
A.look after B.look for C.look through D.look up
We can't cross the road the traffic lights turn green.
A. until B. if C. while D. as
go on a picnic, Tom, advised, to, me
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is, in your class, he, the, boy, tallest
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my, actor, is, uncle, an
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a, beautiful, she, girl, is
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