It was in the lab, _______ was taken charge of by Mrs Smith, they found the missing necklace.
#72651
A
where; that
B
that; that
C
which; that
D
which; where
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      you may have , you should gather your courage to face the challenge .
#68263
A
However serious a problem
B
Whatever serious a problem
C
However a serious problem
D
No matter how a serious
 I met several people there, two of _____were foreigners. 
#72314
A
whom 
B
them 
C
who 
D
which