[ 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
Select your answer:
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Vocabulary › ViewIdentify the word that best fits the following description: easily irritated or annoyed.
A. Mercurial
B. Petulant
C. Tactful
D. Zealous
Grammar › View
The train _____ at 9:15 every day.
A. leaves
B. leave
C. leaving
D. left