1、He speaks English well indeed , but of course not ____ a native speaker.
A 、as fluent as B、more fluent than C、so fluently as D、much fluently than(为什么不选C)
2、The way __the problem sounds reasonable.
A、referred to solve B、referred to solving C、referred to to solve D、referring to solve
(为什么不选B)
3、—How long do you think it will be _____China sends a manned spaceship to the moon?
___Perhaps two or three years.
A、when B、until C、that D、before
(为什么不选B)