[ Grammar ]
While the astronauts __________ outside the space station, they saw a strange object.
A. work
B. worked
C. are working
D. were working
Select your answer:
Random Topics:
Present Simple/AffirmativeNouns, Articles, DeterminersPresent Simple and Past ContinuousConjunctions & PrepositionsLanguage Features of an Opinion ArticleDegree of ComparisonModals of ProbabilityPast Tenses and ConditionalsModal PerfectWH Questions and Simple Past TenseOther quiz:
Grammar › ViewWe stayed at home ……… Watched a film.
A. and
B. but
C. because
D. or
Adjective › View
Joey picked apples from the tallest tree.
A. Tallest
B. Apples
C. Picked