Zack was annoyed at Charlene as he _____ not understand why she had not told him about the plan in advance.
A. must
B. could
C. would
D. should

Random Topics:
another/the others/each other/one anotherGrammar and Passive VoiceAdverbs and Adverbial PhrasesGrammar - Countable/ UncountableModals and Present TensesPast Simple vs Past ContinuousModal Verbs and Gender NounsPresent and Past Simple TenseAuxiliary WordsModals - Have to or ShouldOther quiz:
Grammar › ViewWhat is passive voice?
A. a calmer way of talking
B. when the subject is not acted upon; but is still in past tense
C. when the subject receives the action expressed in the verb; the subject is acted upon
Adverbs of Time › View
Identify the adverb of time:
There are computer lessons on Wednesday.
A. are
B. Wednesday
C. lessons
Modal Verb › ViewOur plane _______ in Cairo hours ago, but we haven’t even taken off from Heathrow yet.
A. was supposed to land
B. must have landed
C. ought to be landing
D. will have landed
Transition Words And Phrase › View
______ of her good grades, Rebecca did not get accepted to Stanford.
A. In addition
B. In spite of
C. As a result
D. On the other hand
E. Thereafter
