[ Grammar ]
You ________leave your door unlocked when you go out.
A. SHOULD’NT
B. CAN
C. MIGHT
D. MUST

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Vocabulary and Verb TensesFuture Tense - will and going toPresent Simple/AffirmativeDegrees of ComparisonPresent Perfect: for/sinceWH Questions and Simple Past TenseHave toGrammar and VocabulariesNoun, Verb, AdjectiveVerb and PrepositionOther quiz:
Grammar › ViewConcentration is ________ by alertness.
A. Help
B. Will help
C. Helps
D. Helped
Past Perfect Tense and Past Tense › View
When we were in elementary school, we ……… (not/learn) past perfect tense before we got English course.
A. have learnt
B. had not learnt
C. were learning
D. have not been learnt
Grammar › ViewMy hands are very dirty. I ………… my bike.
A. was repairing
B. have been repairing
C. am repairing
D. had been repairing
Grammar › View
Technology is an integral part of our society and ____ major contributor towards education.
A. a
B. an
C. the
D. no article
