Bill began to learn Chinese two years ago, ______?
#69195
A
did he
B
didn’t he
C
does he
D
doesn’t he
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His friend found______________ to tell him the truth . 
#70243
A
that was necessary
B
necessary
C
it’s necessary
D
it necessary
Marie’s never been to Tibet, ____she? 
#69829
A
is
B
isn’t
C
has
D
hasn’t