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
He felt _______ to remind the public to protect the environment.
#93974
A
his duty
B
that is his duty
C
it his duty
D
it is his duty
My brother got fired a month ago, but he landed on his feet and found another job that paid ____ money.
#94681
A
twice as much
B
as much twice
C
twice much as
D
as twice much
Alien had to call a taxi because the box was _____ to carry all the way home．
#93026
A
much too heavy
B
too much heavy
C
heavy too much
D
too heavy much
It is the first time that he ______ here and now it is high time that he ______ around.
#92165
A
come; should be shown
B
has come; was shown
C
came; was shown
D
has come; be shown