A beam of light will not bend round corners unless______to do so with the help of a reflecting device .
#84431
A
having been made
B
being made
C
made
D
you make
推荐题目
He is only too ready to help others, seldom, ______, refusing them when they turn to him.
#80404
A
if never
B
if ever
C
if not
D
if anything
“In no condition ____ you are a Chinese. ”Dad told me before I went abroad.
#82315
A
you should forget
B
forget you
C
shouldn’t you forget
D
should you forget
In the dark forests , some large enough to hold several English towns.
#81367
A
stand many lakes
B
lie many lakes
C
many lakes lie
D
many lakes stand
Only when he returned______ the truth.
#81881
A
he found out
B
did he find out
C
he finds out
D
does he find out
________ really enjoyable, ____________ us a valuable lesson.
#82780
A
Not only the film was; but also it gave
B
Not only was the film; but also it gave
C
Not only the film was; but did it also give
D
Not only was the film; but did it also give