She is so helpful that she is always ready to help people in trouble. Which of the following is correctfor the underlined word in the sentence? 
#38541
A
/'tr37bl/
B
/'tra7bl/
C
/'trKbl/
D
/'trbl/
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Are these trousers_____________?
#43849
A
Tom and Alice’s
B
Tom’s and Alice’s
C
Tom and Alice
D
Tom’s and Alice
-I heard Mary was ill last week. Does she go to school today?  -Yes, she is           .
#41018
A
enough health
B
health enough
C
enough healthy
D
healthy enough