There are several research centers in China ________ a certain disease called Bird Flu is being studied.
#73321
A
which
B
where
C
when
D
what
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The book was written in 1946, the education system has witnessed great charges.
#71797
A
when
B
during which
C
since then
D
since when
______, as long as I’m with nature, I don’t care.
#67998
A
However tough is the journey
B
Whatever tough is the journey
C
However tough the journey is
D
Whatever tough the journey is
____________, I still couldn’t figure out what the headmaster said at the conference.
#68032
A
Though I didn’t listen attentively
B
Attentively as I listened
C
Attentively as did I listen
D
As long as I listened
The survivor said it was because of his strong determination _____ he survived the earthquake
#68481
A
that
B
what
C
how
D
why