[ Modal Verbs ]
. You ___ wear a helmet while riding a bike.
A. mustn’t
B. have to
C. can

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Prepositions and Phrasal VerbsTensesModal Verbs & Perfect InfinitiveVerb Tenses (Progressive, Perfect)Present, Past and Future TenseAsking & Giving OpinionTOEFLApostrophes and GrammarVerb Moods and Vague PronounsToeic VerbOther quiz:
Grammar › View…………… the film has amazing effects, its plot is not so gripping.
A. Nevertheless
B. Although
C. Despite
D. Owing to
Articles › View
There is a big temple in the town. _________ temple is very old.
A. A
B. An
C. The
Grammar › ViewWe _____________ tried our best this year.
A. were
B. has
C. are
D. have
Simple Past Tense › View
The ice ________ quickly in the chiller. (freeze)
A. freezed
B. froze
C. freezing
D. frozen
