[ Vocabulary and Grammar ]
A special suit_ by astronauts to keep them alive in the harsh environment of outer space.
A. wear
B. worn
C. is worn
D. wearing

Random Topics:
Preposition on TimeNoun QuantifiersSimple Present and Present ContinuousQuestion Tags in Verb TensesOffering HelpAuxiliary and Modal VerbsQuestion TagsVocabulary, Grammar, SpellingModals Posibility and ProbabilityTenses StructureOther quiz:
Grammar › ViewMy brother ______________ eat vegetables.
A. Don’t
B. Doesn’t
Reported Speech › View
“I’ll meet you at the library.”, he said to me and Jonathan.He promised to meet ________ at the library.
A. you
B. us
C. him
D. her
