Those audiences ____ show their tickets before entering the concert hall.
A. have to
B. must
C. ought to
D. don’t have to

Random Topics:
Grammar - FragmentsRelative Clauses and Past PerfectSentence LabelingRun-On SentencesNouns, Articles, DeterminersPresent Simple and Present Continuous TensesGrammar / PronounsInfinitives or GerundsVerb BETenses and Word FormationOther quiz:
Passive Voice and Relative Clauses › ViewThe book was too expensive. I wanted to buy it.
a. The book which I wanted to buy it was too expensive
b. The book who I wanted to buy was too expensive.
c. The book which I wanted to buy was too expensive.
d. The book that I wanted to buy it was too expensive.
Verb Tenses (Progressive, Perfect) › View
My brother IS VISITING our cousins in Chicago right now.
A. present progressive
B. past progressive
C. future progressive
Modal Verbs › ViewJohn ________ your car keys. He hasn’t even left the house.
A. can’t take
B. mustn’t take
C. can’t have taken
Tenses › View
When talking about a completed event where an exact time is given or is obvious, we use:
A. Present continuous
B. Past continuous
C. Present simple
D. Past simple
