[ Grammar ]
Yuri Gagarin was one of the pioneers of space _____.
A. exploration
B. explorer
C. exploring
D. explorers
Select your answer:
Random Topics:
VocabularySimple Past Tense and Past Perfect TenseFirst Conditional, Future Time ClausesGrammar (Possessive Pronouns)Verbs and Possessive AdjectiveCompliment, Congratulation, and HopePassive Voice with ModalsSimple Present and Present ContinuousTransitional Phrases and ConjunctionsOther quiz:
Grammar › ViewHow do you spell “hopping” correctly?
A. hoping
B. hopeing
C. hopping
D. hoppping
Adverbial Clauses › View
______ to look for a job, he will have got the work permit.
A. While Tom was starting
B. Before Tom started
C. By the time Tom starts
D. After Tom had started