[ Modals ]
It’s a very small flat. You ____________ clean it every day.
A. have to
B. must to
C. don’t have to
D. can’t

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Grammar (either..or.. and neither..nor..)Sentence TransformationEnglish for TourismSuperlativesAdverbial Clause of MannerPreposition & GerundPast Tense & Past Continuous TenseAdverb of MannerAdverbs and Adverbial PhrasesPast Simple & Past PerfectOther quiz:
Grammar › ViewFloods can cause tremendous damage. They can ruin houses, roads and buildings. Floods can take down trees and cause mudslides. It often leaves mud, sand and debris behind. It can take months to clean up after a flood.
What is the main idea?
A. Floods can cause a lot of damage.
B. Floods cause mudslides.
C. Floods damage houses and roads.
Adjective or Adverb › View
The ball _________ falls onto the ground.
A. slow
B. slowly
Grammar › ViewThe charity event was held in aid ____________ the orphans.
A. of
B. by
C. for
D. with
Vocabulary › View
the careful use of a resource to prevent it from being wasted and make it last longer
A. efficiency
B. nutrient depletion
C. ozone
D. conservation