Mary__________my letter;otherwise she would have replied before now.
| A．has received | B．ought to have received |
| C．couldn’t have received | D．shouldn’t have received |
Please ___ youself to some chicken.
| A．have | B．help | C．make | D．take |
What time did you finally ___ asleep?
| A．go | B．fall | C．drop to | D．go to |
The forest ___ for miles.
| A．holds | B．sees | C．stretches | D．keeps |
The driver tried to ___ the accident by stopping the car suddenly.
| A．cause | B．control | C．prevent | D．stop |
Keep the picture carefully, it ___ a lot of money.
A is worth B. worthed C. is worthy of D. worths