28、习近平指出“改革开放只有进行时没有完成时”,他从以下方面对改革开放进行了阐述( )

7) I’m afraid the gilt of the ring will wear(off)before long.

6) If you are willing, you can sign(up)to participate in the competition.

5) Too many students flunk(out)of the course because their math is weak.

4) They lost all their money and sank(into)desperate poverty.

3) We may define a square(as)a rectangle with four equal sides.

2) He tried to convince them(of)the safety of travelling by airplane.

1) His girlfriend is(in)denial, and refuses to admit that he will soon die.

10)Have you ever thought of going (into) teaching,George?

9) In the business world, the ability to interact (with) others is of great help to abusinessman's success.

8) Don't take it to heart. It's routine, they check ((out)) prospective members before lettingthem join.