[ 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:
Present Tense › ViewChoose the sentence that has a similar meaning: In your opinion, who’s going to win the Cup.
A. Who are you thinking is going to win the Cup.
B. Who do you thinking is going to win the Cup?
C. Who do you think is going to win the Cup?
Grammar › View
Choose the right one:
A. Is Michael playing the guitar?
B. Are Michael playing the guitar?
C. Is Michael play the guitar?
D. Is Michael plays the guitar?
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
