______we were worried about was ________they could manage to control the pollution.
| A．That how | B．That whether | C．What that | D．What whether |
.On stepping into the room this morning I was astonished to find the floor covered with______looked like tiny insects.
| A．that | B．something | C．what | D．anything |
.She didn’t recognize the man who hit her because she could only ______a dark shape moving towards her.
| A．make out | B．turn out | C．set out | D．bring out |
.Mr. Li_____a secretary for five years in the company, and now he is the general manager of it.
| A．is | B．was | C．had been | D．has been |
.West of our school lies our stadium, ___________ about 5000 people in all.
| A．seating | B．seated | C．which sits | D．sitting |
.---You have been on tour for a week in our city during May Day. What do you think about it?
---Oh, what _______different Nanjing! It isn’t _______I saw last.
| A．/; the one | B．a; the one | C．a; one | D．/; one |