问题

It is not always easy for thepublic to see _____ use a new invention can be of to human life

A:in repair
B:repaired
C:repairing
D:to repair

正确答案是：

同类题型

下列各项中加点的词与现代汉语意思相同的一项是（）

What will the weather ______

More and more students are this modern type of instruction.

Were you all frightened at the sound of the fire alarm?— No. Everyone stayed _______ and obeyed the police.

Reading in bed isn’t good _____your eyes.