– Why did they help Mrs Brown with her work? – Because she was _____.
#38438
A
an old friend of them
B
the friend of them
C
a the their friend
D
a good friend of theirs
推荐题目
 _____ name’s Linda. 
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A
It’s
B
What’s
C
Her
D
His
These postcards are ________. 
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A
they
B
theirs
C
their
D
them