Scientists say it may be five or six years_______it is possible to test this medicine on human patients.
#92600
A
when
B
after
C
before
D
since
推荐题目
Both she and her friends liked travelling. She traveled a great deal, ________.
#92020
A
nor did most of her friends
B
did as most of her friends
C
as did most of her friends
D
so do most of her friends
In the school where I study English ________ .
#92739
A
is the most beautiful
B
is taught
C
has no good teachers
D
is there
The new bridge is ______ the one built last year.
#92356
A
three times width of
B
three times that of
C
three times the width
D
three times the width of
–What’s the noise ? It sounds as if it comes from upstairs. --______. It must be the window-cleaner working , next door.
#93541
A
I’m not sure
B
I hope not
C
I’d rather not
D
I don’t think so
25. Whenever I go to Beijing, ____ is quite frequent, I will go to visit the Great Wall.
#94628
A
where
B
which
C
as it
D
It