The children have been playing with my hat they've knocked it out of ______. 
#7261
A
date
B
shape
C
order
D
balance
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Over years, scientists have made a great _____in the treatment of cancer.
#6477
A
break-in
B
breakthrough
C
breakup
D
breakdown
He made a _____ of five thousand dollars on the deal.
#6243
A
profit
B
bonus
C
pension
D
loan
 Tomato, which used to be called “love-apple”, is not ____but ______.
#6670
A
fruit; vegetable
B
fruit; a vegetable
C
a fruit; a vegetable
D
a fruit; vegetables