[ Grammar ]
You … switch on your phone until the plane has landed.
A. don’t have to
B. mustn’t
C. must
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Quantifies and Modals of DeductionPhrasal Verbs and Verb FormsBare Infinitive and To InfinitiveSimple Past - Irregular VerbsPresent Perfect or Past SimpleInfinitives and ING FormsGrammar TOEFLPresent Simple and Past ContinuousRelative ClauseConditionals and WishesOther quiz:
Grammar › ViewWhat time ………………………… (Emma / arrive) at the airport?
A. does Emma arrive
B. is Emma arriving
C. is going to arrive Emma
D. is Emma going to arrive
Modals - Have to or Should › View
Seriously, you __________ come with me if you’re tired. I can go on my own!
A. don’t have to
B. should