问题
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
B:on watch
C:in sight
D:on the line
正确答案是：
同类题型
He didn’t go to the concert yesterday,didhe-______.He was busy studying for the testsall day.
What’s your best friend like —He_______________.
Your ideas are very interesting, but we need _______ suggestions to get us out of the mess.
_______ his being late again , he lost his job and had to stay at home.