问题
选择题
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
答案
答案:A
考查介词短语。A妨碍;B值班;C在视野之内;D冒极大的危险;句意:斯密斯太太发现很难打扫家里的混乱,因为每当她想这么做孩子们就会很碍事。所以选A。
【考点定位】考查介词短语。