[ Modals ]
_______be sitting down at your desk when the bell rings.
A. You can
B. You must not
C. You have to
D. You do not have

Random Topics:
Regular Plural NounsGrammar and Verb TensesTOEIC Grammar and Vocabulary ReviewConjunctions and PrepositionsComparative and Superlative AdjectiveAdverb PhrasesRegular and Irregular VerbsPast Simple (to be)Conditional ClauseTenseOther quiz:
Modal Verbs › ViewMy children are possibly in the living room.
A. My children will be playing in the living room.
B. My children cannot be in the kitchen.
C. I do not know whether my children are in the living room.
D. My children might be in the living room.
Has Got & Have Got › View
An elephant _______ four legs.
A. have
B. hasn’t
C. have got
D. has got
Linking Verb › ViewJohn _______ impolite today. He is always polite and helpful to others.
A. is
B. was
C. is being
D. was being
Simple vs Present Continuous Tenses › View
Ronald and I … football in the school yard now.
A. am playing
B. are playing
C. is playing