—The weather report says the heavy rain will last for another three days.
—Oh, that’s terrible. I’m afraid the bridges will be ______ away by the flood caused by the rain.
| A．washed | B．taken | C．put | D．kept |
I like ______. They are healthy food.
A. tomato B. fish C. tomatoes
The man makes a living _______ teaching.
A．without B．with C．by
He has written many books, but _______ of them are good.
A．few B．many C．any
There is _____ boat in ________river.
A. a; the B. the; a C. a; a
Some of my friends are interested in science,but none of them can tell_____.
| A．when UFOs will appear next time. |
| B．why do horses know the way. |
| C．where was this kind of plant found. |
| D．how do elephants communicate. |