People in this area are in______over the heavily polluted air.A.doubtB.dangerC.troubleD.su

学历类 专四 已帮助 人

People in this area are in______over the heavily polluted air.

A.doubt

B.danger

C.trouble

D.suspense

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_________。