When the students heard the alarm, they all hurried to they thought was an emergency exit door．
#30175
A
what
B
which
C
where
D
who
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The meaning of the word "nice' changed a few tines it finally came to include the sense "pleasant."
#30017
A
before
B
after
C
since
D
while
I thought horseback riding would be the sport for me until I fell down from the horse back .As you can imagine ,I haven’t been invited back .
#79730
A
later
B
since
C
after
D
ever