It would be unfair to clone any extinct animals they were to live in a zoo.
#34232
A
or
B
if
C
but
D
whether
推荐题目
Kids are not allowed to leave kindergartens their parents come to pick them up.
#31446
A
unless
B
since
C
although
D
because
Tell your doctor with a detailed medical history ______ he can give you the accurate treatment.
#31347
A
even if
B
so that
C
in case
D
as though
-----Do you have a minute? I’ve got something to tell you. -----Ok, ______ you make it short.
#32456
A
now that
B
if only
C
so long as
D
every time
John felt very embarrassed ________ he entered the government hall.
#30995
A
for the moment
B
the first time
C
for the first time
D
at the moment