[ Vocabulary and Grammar ]
Scientists _______ experiments in space?
A. do
B. come up
C. make
Select your answer:
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Verbal CommunicationPrepositional PhrasePast Perfect and Past Perfect ContinuousVerbs - third personSubjunctiveGrammar Double Object VerbsConjunction: Because and SoPast Continuous vs Past SimpleComparisionOther quiz:
Grammar › ViewIs _____(you) friend British?
A. you
B. your
C. he
D. her
Grammar : can, could and be able to › View
After 6 hours climbing, we _____ reach the top of the mountain.
A. could
B. can
C. were able to