[ Grammar ]
How many astronauts have walked on …… moon?
A. –
B. a
C. an
D. the

Random Topics:
Grammar - Present PerfectPassive Voice - Present TensesAdverbial Clause of Cause and EffectPast Perfect and Past Perfect ContinuousPresent, Past and Future TenseNarrative Tenses & ConditionalsJobsGrammar of Conjunctions and PrepotitionsPrepositions & Prepositional PhrasesPassive Voice Present SimpleOther quiz:
Tenses › ViewChoose the correct tense for the following sentence:
I was studying all night for that history test.
A. Past progressive
B. Present progressive
C. Future progressive
Grammar › View
There’s ______ flour in the cupboard, but there aren’t ____ boxes of biscuits.
A. a , an
B. a, any
C. a , some
D. some , any
Vocabulary › Viewwatchful; quick to notice; careful and diligent
A. primary
B. observant
Grammar › View
Do you understand? Yes, _______________
A. a few
B. a little
