[ 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:
Prepositions › ViewOur teacher was ………….. a bad mood today; he shouted…….. everyone.
A. in, at
B. on, to
C. at, at
D. on, at
Modal Verbs › View
Mark………………do the washing up. It’s his sister’s work.
A. mustn’t
B. shouldn’t
C. have to
D. doesn’t have to
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.
