Scientists say it may be five or six years ____ it is possible to test this medicine on human patients.
#92433
A
since
B
after
C
before
D
when
推荐题目
This classroom is __________ that one.
#91879
A
three times bigger as
B
three times as big
C
three times the sizeof
D
as three times big as
There is ________ in population that a food shortage is caused.
#93512
A
so rapid an increase
B
such rapid an increase
C
such rapid increase
D
so a rapid increase
When I returned to my study, I found the floor thoroughly______and all my books______according to the types of books
#95019
A
changing; ranging
B
changed; ranging
C
have changed; ranged
D
has changed; ranged
(2009湖南四校联考)I was fortunate enough to travel to South Africa, I met some women who have organized themselves into a group.
#95040
A
then
B
there
C
while
D
where
