It often happens that people with goodeyesight fail to seeis right infront of them.

It was ______ the second-hand bus that themechanic spent the whole afternoon in the factorywww7caieducn

It’s _______ to work out the mathproblem. You needn’t go to ask the teacher.

225. I didn’t hear the phone last night. I _____asleep.

Are you afraid of at home -No, I’ve grown up.