[ Modals of Prohibition ]
We have a lot of work tomorrow. You ___ be late.
A. mustn’t
B. don’t have to
C. doesn’t have to

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Vocabulary and Verb TensesSome & AnyPast Simple vs Present SimplePresent Simple and Past ContinuousPresent Perfect ContinuousGrammar TOEFLAdjectives or AdverbsPresent Simple and Present Continuous TensesAdjectives with PrepositionFirst & Second ConditionalOther quiz:
Grammar and Structure › ViewThere ______ a big demonstration along the streets on the previous Independence day.
A. has been
B. was
C. is
D. will be
Adjective Clause › View
The aquarium is looking for new employees ___ know a lot about dolphins.
A. who
B. which
C. they
Gerund and Infinitive › ViewThe medical authorities warned everyone ……….. the water without first …………. it.
A. not to drink/boiling
B. not drinking/to boil
Vocabulary › View
A combination of two or more transformations
A. Set
B. Preimage
C. Composition
D. Reflection
