[ 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:
Present Perfect Tense › ViewThe baby __________ asleep yet. What’s the matter?
A. has not fallen
B. has not fell
C. has not fall
D. did not fall
Grammar › View
One day when I’m rich and famous, I’m going to go on a round-the-world__________ to see many world heritage sites.
A. cruise
B. sail
C. self-catering
D. survival
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