问题

When the children are busy playing their games. They had better be _____. [ ]

A: let out
B: left out
C: left alone
D: left away

正确答案是：

同类题型

_____________– I can’t move the box. Can you help me

Are you in a hurry? — No, in fact, I’ve got plenty of time. I _______ wait.

(2013·浙江金华二模)A survey has shown that 40% of those killed in traffic accidents ________ if they had been wearing seat belts.

Have you watered the flowers? —— No, but ＿＿＿＿＿.

You should take ____________ measures to improve your working conditions．