[ Grammar ]
A: Can I use my mobile phone on plane?
B: No, you ……………….. do that.
A. don’t have to
B. mustn’t

Random Topics:
Modal Verbs of ObligationModals: Possibility, Necessity, ExpectationGrammar SuffixesSecond Type ConditionalGerund & ParticiplePresent Progressive TensePhrase or ClauseMust Vs Have toSpeculation with Modal VerbsRelative PronounOther quiz:
Present Perfect Tense › ViewMr. Robinson _________ the election!
A. Just won
B. Has just won
Modal Verbs › View
I ______ go to the party but I’m not sure yet.
A. should
B. have to
C. might
D. must
Adjective vs Adverb › ViewHe is a ……………….. driver.
A. careful
B. carefully
C. carefuly
Grammar › View
I didn’t have an umbrella with me, so I got wet.
A. Since I got wet, I didn’t have an umbrella with me.
B. My umbrella helped me to get wet.
C. I got wet because I didn’t have an umbrella with me.
D. I got wet, so I didn’t have an umbrella.
