once in a blue moon = ?
A. rarely
B. usually
C. often
D. never

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Adverbs of frequencyModals AuxiliarySubordinating ConjunctionsPronouns and AdverbsQuantifiers MixPast Tense and Past ContinuousPassive Voice - Present Simple and Past SimpleCan vs be able toTenses and VoiceSimple Past Tense (was/were)Other quiz:
Grammar and Syntax › ViewWhat is the difference between person deixis and time deixis?
A. Person deixis indicates participants in a conversation, while time deixis indicates the timing of events.
B. Person deixis is about the past, while time deixis is about the future.
C. Person deixis indicates the mood of the conversation, while time deixis indicates the tone of the speaker.
D. Person deixis refers to the location of events, while time deixis refers to the participants.
Grammar › View
First we read the entire passage and _______ we answer the questions
A. than
B. then
Perfect Modals › ViewHowever, one of my friends said we ________ (3) checked the movie’s rating before coming, as he wasn’t sure if it was appropriate for all ages.
A. should have
B. could have
C. might have
D. must have
Grammar › View
The men ________ were all office workers.
A. which I talked
B. to those I talked
C. those I talked to
D. I talked to