He finished__________homework.
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They _________very dirty.
A.were
B.is
C.was
Amy _____climbing mountains.
A.like
B.likes
C.liked
这是一张长城的照片。
A.It's a picture of the Great Wall.
B.It's a picture of my family.
我们看见了许多山脉。
A.We ate good food.
B.We saw lots of muntains.