— I didn’t know you were friends with Mr. Smith.
— We ______ each other for6 years.
| A．knew | B．are known | C．have known | D．will know |
_____beautiful the flowers are!
| A．What | B．What a | C．How | D．.How a |
There are many ways___ the problem.
| A．solve(解决) | B．to solve |
| C．solving | D．solves |
Paper is made ___wood, and wood is made ___paper.
| A．from,into | B．into,from |
| C．in,by | D．by ,in |
We all think___ interesting to climb the mountain in such a sunny day.
| A．that | B．this | C．one | D．it |
The movie <<Mr Bean>> is a comedy.
| A．calls | B．calling | C．called | D．is calling |