—When did your brother begin to show his interest in medicine.—It was a Saturday _____ he noticed his classmate experimenting on a frog in the lab.
#77644
A
that
B
what
C
when
D
which
推荐题目
There was _____ time ______ Irap was one of the strongest countries in the world.
#77639
A
a when
B
a that
C
that that
D
the when
Recently I have bought an ipad mini on the website of Taobao.com, _______ the price is very reasonable.
#77404
A
which
B
whose
C
on which
D
of which
Is this the reason _____ in the report for her success in the job ?
#78062
A
she explained
B
what she explained
C
how she explained
D
why she explained
With the development of science and technology，there is no doubt_____Chineseastronauts will land on the moon in the near future.
#78558
A
whether
B
that
C
what
D
which