[ Grammar ]
If you want to be an astronaut, you need to experience microgravity on a _______ flights.
A. habitable
B. universal
C. parabolic
D. unhabitable

Random Topics:
Simple Present and Simple PastVerb Tenses and UsagePassive SentencesConditionals and Modals of Probability-ed/-ing AdjectivesModals for RecommendationsVerbs and Possessive AdjectiveAdjectives and comparisonsVocabulary and Sentence StructurePresent Simple and Past ContinuousOther quiz:
Conditional Type 1 › ViewIf I come, I .. you.
A. Saw
B. Would see
C. Sees
D. Will see
E. Seen
Past Continuous Tense › View
The boys __________ in the badminton court yesterday afternoon.
A. is playing
B. was playing
C. were playing
Grammar › ViewDraw two oranges on____blackboard.
A. An
B. A
C. The
D. No answer
Modal Verbs › View
… I help you with your umbrella?
A. Must
B. Would
C. Can
