more and more forests destroyed, some animals are facing the danger of dying out.
A. As B By C. For D. With
Because the head-teacher had some important guests to meet, the meeting only _______a few minutes.
| A．kept | B．continued | C．lasted | D．covered |
Some modem paintings are _____ my understanding; I simply can't understand what the painters really want to tell us.
| A．within | B．behind | C．around | D．beyond |
Can I really get a mountain bike as a reward if I win the race?
- Absolutely !__________.
| A．It all depends | B． I mean it | C． You've got me | D． So will you |
- Do you know ______ of them?
- No, I only know, Mr johnson and Mrs Smith.
| A．both | B．either | C．any | D．all |
—You were brave enough to argue with Mr. Smith. —Well, now I regret _______ that.
| A．to do | B．to be doing | C．to have done | D．having done |