Lawrence Craven, a doctor from the USA, is the author of several published reports, one of ________ introduced the idea in 1953 _________ aspirin could reduce the risk of heart attacks.
#77613
A
them; when
B
which; that
C
what; that
D
which; when
推荐题目
Julie was good at German, French and Russian, all of ________ she spoke fluently.
#77337
A
who
B
whom
C
which
D
that
My sister is always telling us of the people and the things ____ interest her.
#77408
A
who
B
which
C
that
D
what
The skirt __________ she spent 50 yuan is very beautiful on her.
#77162
A
in which
B
on which
C
for which
D
which