________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
| A．As; whom | B．What; whose | C．It; whose | D．What; whom |
----- The film is, I have to say, not a bit interesting.
----- Why? It’s _______ than the films I have ever seen.
| A．much less interesting | B．far more interesting |
| C．no more interesting | D．any less interesting |
Last year the number of students who graduated with a driving license reached 200,000, a(n) _______ of 40,000 per year.
| A．average | B．number | C．amount | D．quantity |
Experts think that _______ recently discovered painting may be _____Picasso.
| A．the;/ | B．a; the | C．a; / | D．the; a |
most parents care about is to provide the best education for their children.
| A．What | B．That | C．How | D．Whether |
--- May I smoke here?
--- If you , choose a seat in the smoking section.
| A．should | B．could | C．must | D．may |