I'm trying to break the of staying up too late.
A. problem
B. case
C. habit
D. test
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We received a letter from him .
A. kindly
B. recent
C. mostly
D. recently
provides us with warmth and light.
A. Electric
B. Electicity
C. Economical
D. Economic
By, children play tricks on April's Day.
A. location
B. treat
C. trade
D. tradition
A number of were taken to solve this problem.
A. meaning
B. measures
C. meant
D. measurement