[ Noun and Modal Verbs ]
Passengers _____ check in online, but they _____ arrive at least 2 hours before international flights.
A. must, needn’t
B. don’t have to, must
C. have to, mustn’t
D. needn’t, have to
Random Topics:
Grammar - FutureDeterminersIndefinite PronounsGerund and InfinitivesModals and InversionMix-TensesArticlesQuantifiers and ArticlesBe Going To vs. WillAdjectives, Adverbs, and PrepositionsOther quiz:
Passive Voice › ViewIt is suggested that children …………a foreign language at an early age.
A. learn
B. Learning
Grammar and Vocabulary › View
They ________ doing housework.
A. hating
B. to hate
C. hate