The birds are in the tree. A. singing B. sings C. sang D. sing——青夏教育精英家教网——

题目内容

The birds are _____ in the tree.

A. singing
B. sings
C. sang
D. sing

试题答案

A

相关题目

The birds are _____ in the tree.

A. singing
B. sings
C. sang
D. sing

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