Mrs.Smithfindsithardtoclearupthemess,asherchildrenareal...

問題詳情：

Mrs. Smith finds it hard to clear up the mess, as her children are always ________ whenever she tries to.

A. in the way            B. on watch

C. in sight              D. on the line

【回答】

A

知識點：片語 短語

題型：選擇題