---Are you content with her lecture? ----Far from that. It _______.
| A．may have been good | B．couldn’t have been worse | C．can’t be better | D．must be better |
After going into the hall, the mother _____a friend and went over to greet him.
| A．searched | B．knew | C．spotted | D．Realized |
Choosing the right dictionary depends on ________you want to use it for. (2007江苏)
| A．what | B．why | C．how | D．whether |
The difficulty we now meet with is ___________ we can persuade him to tell the truth.
| A．whether | B．that | C．what | D．why |
It was really very dangerous; you ____ him seriously if I didn’t stop you.
| A．might have injured | B．could injure |
| C．should have injured | D．must injure |
—What do you think of the hotel here?
—Oh, wonderful! We ____ a better one than this.
| A．won’t find | B．can’t find |
| C．must have found | D．couldn’t have found |