Some people are worrying about the possibility ________ mobile phones could be responsible for a range of illnesses, from rashes(皮疹) to brain tumors.
#93062
A
that
B
why
C
how
D
whether
推荐题目
__________ the bananas to go bad, he preferred to sell them at half price. 
#92849
A
Rather than allowing
B
Rather than to allow
C
More than allow
D
Rather than allow
The driver drove _______ hit at a big tree and the car came to s stop.
#94756
A
too carelessly to
B
carelessly enough to  
C
so carelessly that he
D
so careless that he
_______ work did we have to do that we were so exhausted.
#92138
A
Too much
B
So much
C
Too little
D
So little
We all thinks that Jack ____________ for his son’s bad performance at school.
#92284
A
is to blame
B
is to be blame
C
are to be blamed
D
are be blame
No matter how bright a talker you are, there are times when it’s better ______ silent.
#92583
A
remain
B
be remaining
C
to remain
D
having remained