[ Sentence Completion ]
The health study concludes that preventing disease is much —– expensive than treating it after it has developed.
A. less
B. least
C. lesser
D. lessen
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Grammar › View Will they finish the test on time?
A. adjective
B. verb
C. noun
D. pronoun
E. adverb
Active and Passive Gerunds and Infinitives › View
The client appreciated _____ notified about the policy changes in advance.
A. being
B. to be
C. informing
Must / must not › ViewYou …do your homework regularly.
A. must
B. mustn’t
Vocabulary & Grammar › View
Choose the option that needs correction.
Lan cannot help you with homework now. She does the laundry at the moment.
A. cannot
B. help
C. does
D. at