Arriving at the airport ______ waiting for the security check.A.a lot of peopleB.a lot of

外语类 已帮助 人

Arriving at the airport, ______ waiting for the security check.

A.a lot of people

B.a lot of people were

C.people were found

D.she found a lot of people

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。