Scientists say it may be five or six years _______ it is possible to test this medicine on human patients.
#33536
A
since
B
after
C
before
D
when
推荐题目
To be successful, you need to remember that ___________you might be very busy, you need to be energetic and enthusiastic.
#30722
A
as though
B
in case
C
even if
D
now that
Many of them turned a deaf ear to his advice，________ they knew it to be valuable.
#30687
A
as if
B
now that
C
even though
D
so that
________ a difficult situation, so you should send him a message and give him some advice.
#80262
A
As he is in
B
He is in
C
Being in
D
He being in
All of a sudden it came to me ________ I might help wash my mom’s feet on Thanksgiving Day.
#30805
A
if
B
when
C
which
D
that