[ Grammar ]
How many astronauts have walked on …… moon?
A. –
B. a
C. an
D. the
Select your answer:
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Idiom and TensesSentence StructureGrammar SuffixesTenses & Conditional SentenceIndefinite ArticleRelative & Interrogative PronounsPreposition and ConjunctionCan vs be able toSimple Present and Present Continuous Tenseswould should couldOther quiz:
Grammar › ViewWe’re trying to find a place ____ for the night.
A. to stay
B. for staying
C. to be staying
D. we stay
Past Continuous Tense › View
My parents ____ when I came home.
A. was work
B. were work
C. was working
D. were working