Question

【题目】Look! There are some birds _______ in the sky. They are very beautiful.
A.to fly
B.fly
C.flying
D.flown

Answer 1

【答案】C
【解析】句意：看!有一些鸟在天空中飞翔。他们非常漂亮。这是一个there be句型，现在分词短语作定语修饰名词birds，故选C。