[ 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:
Present Simple Tense › ViewPresent simple with Yes-no questions: Form a yes-no question using present simple tense: He reads books every night.
A. Does he reads books every night?
B. He reads books every night?
C. Do he reads books every night?
D. Does he read books every night?
Present Perfect Simple and Continuous › View
I __ (have) this computer for 10 years.
A. have been having
B. have been had
C. have had
D. have having
Vocabulary › Viewwatchful; quick to notice; careful and diligent
A. primary
B. observant
Grammar › View
Do you understand? Yes, _______________
A. a few
B. a little