Scientists say it may be five or six years _____ it is possible to test this medicine on human patients.
#67597
A
since
B
after
C
before
D
when
推荐题目
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
#72554
A
who
B
which
C
this
D
what
is known to us all is the old scientist, for whom life was hard in the past, still works very hard in his eighties.
#70211
A
What; what
B
What; that
C
That; what
D
As; that
Here are all the books I have.You may borrow _______ you like.
#72661
A
that
B
which
C
however
D
whichever
_________,the idea of having to work under a woman defeated him.
#67517
A
Wanting the job very much
B
Although wanting the job badly
C
Though he wanted the job very much
D
He wanted the job badly