[ Grammar ]
The United States has launched many astronauts into space since 1969
A. Simple Present Tense
B. Present Progressive
C. Simple Past
D. Present Perfect
Random Topics:
Sentence Adverbs & Third ConditionalPresent Perfect ContinuousDeterminers & QuantifiersEmployment VocabularyConstrative ConjunctionUsed toPrepositionSubordinating and Coordinating ConjunctionsConditionals Type IPast Tense (Regular and Irregular)Other quiz:
Grammar › ViewAre these sneakers _____?
A. Its
B. Mine
C. Yours
Verb Tenses › View
It happens once in a blue moon. What does that mean?
A. It only happens when there is a full moon.
B. It only happens at night.
C. It only happens once in a while.
D. It never happens.