[ Modal Verbs ]
If you don’t understand the lesson, you ___ ask the teacher.
A. should
B. must
C. may
D. can

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Present Continuous, Present Perfect and Used toThird ConditionalsRelative Pronouns with PrepositionsGerundsPresent simple or Past simplePast Simple TensesSubject Verb Agreement and Coordinating Conjunctions-ing form and the to-infinitiveConditionals 1,2,3Have as verb and auxiliaryOther quiz:
Countable and Uncountable Nouns › ViewThere are ___ stars in the sky tonight.
A. many
B. much
Grammar › View
She is leaving him because she cannot _______his bad temper any longer.
A. put away
B. put off
C. put up with
D. put up
Vocabulary › ViewA bend in layers of rock is also known as a _________________.
A. tilt
B. fold
C. fault
D. hill
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Verb, to crouch down in fear.
A. Wince
B. Cower
C. Inxextricably
D. Vigilance
