[ Modal Verbs ]
Passengers ___ stand up until the plane has completely stopped.
A. must
B. mustn’t
C. have to
D. don’t have to

Random Topics:
Can vs CouldSimple Past ContinuosComparatives - SuperlativesGender and GrammarOrder of AdjectivesCommas and Subordinating ConjunctionsPerfect ModalsPronouns and QuantifiersAll, Both, Neither, None, EitherVerbs & Phrasal VerbsOther quiz:
Modal Verbs › ViewKen had a lovely room in the hotel. He ________ see the lake.
A. will
B. would
C. should
D. could
Adverbs by Type › View
She graciously accepted the Emmy award.
A. She
B. accepted
C. graciously
Must Vs Have to › ViewChoose the correct option.
A. I want more clothes I must buy new clothes this weekend.
B. I want more clothes I have to buy new clothes this weekend.
Grammar › View
Finish the similes.
He is fast. He runs like a ___________________________.
A. totoise
B. slug
C. cheetah
