[ Comparison of Adjective and Adverb ]
Non-smokers usually have a _____ life span than smokers.
A. long
B. longer
C. longest
D. more longer
Select your answer:

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Grammar › View……………….this your seat?
A. Are
B. Be
C. Is
D. Am
Modal Verbs › View
They ____________ go to the party if they finish their chores on time.
A. can
B. must
C. are able to
