1873年为孤立和打击法国，哪三个国家组成了所谓的“三皇同盟”？
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There is （)polluted water in the factory.
A. lot
B. much
C. many
D. plenty
My teacher was made（)his teaching because of poor health.
A. giving up
B. to give up
C. given up
D. give up
It's really hard for us to （)all poisonous gases.
A. get rid to;
B. get rid of
C. get the rid
D. give rid of
Madam Lee made the babysitter（)the housework again.
A. do
B. to do
C. Doing
D. raised
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