She is waiting for the school bus ______ it has not arrived.
A. but
B. and
C. or
D. so

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Passive SentencesMust Vs Have toSubordinate ConjunctionsModals - Have to or ShouldMoods of GrammarCohesive DevicesModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityVocabularyTenseTense,noun,preposition,quantityOther quiz:
Present Tenses › ViewUse present perfect correctly: We (to finish) our homework already.
A. We finished our homework already.
B. We have finished our homework already.
C. We are finishing our homework already.
D. We have finish our homework already.
Grammar › View
Which sentence is written correctly?
A. My friend, John, came to my house.
B. My freind, John, came to my house.
C. My friend John came to my house
D. My friend. John came, to my house.
Grammar › ViewThe train always . . . . . on time
A. Arrive
B. Arrives
Tenses › View
Choose the most suitable form of verb for the sentence below.
My mum ________ a cake while Tom ________ computer games.
A. was baking, was playing
B. baked, was playing
C. was baking, played
D. baked, played