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 price of the flat now is ______ that last year.
#93250
A
as twice high as
B
twice more expensive than
C
as high as twice
D
twice the amount of
This problem is said _____ three times. 
#92660
A
having discussed
B
to have been discussed
C
having been discussed
D
to have discussed
 The book is _______ that one.
#93571
A
three time as long as
B
three times as longer as
C
as three times longer as
D
three times the length of
It ______ six years since they last saw each other.
#94134
A
was
B
had been
C
is
D
would have been