[ Grammar ]
Swimming in heated pools ____ very common in this part of the country in the winter.
A. is
B. are

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Grammar & Vocabulary › ViewAlisha is working overtime today because her colleague __________ sick.7
A. will report
B. is reporting
C. has reported
D. had reported
Comparative Degree (Adjective) › View
Whales, which are mammals, are among the _______________ animals on Earth.
A. Largest
B. Large
It’s no use … him to sign the contract.
A. to persuade
B. persuading
Grammar › View
The comic book is __ than the storybook.
A. most interesting
B. interestingest
C. interestinger
D. more interesting