问题
选择题
Mrs.Smith finds it hard to clear up the mess,as her children are always ________ whenever she tries to. (2013·福建,29)
A.in the way
B.on watch
C.in sight
D.on the line
答案
答案:A
句意为:Mrs.Smith发现很难清理混乱局面,因为当她尽力清理时她的孩子总是妨碍她。in the way妨碍;on watch值班,监视;in sight在视力范围内,在即;on the line处于危险中,(对方)在接电话。