[ Prepositions of Time and Place ]
My grandma is too old to go ___ and ___ the stairs.
A. up-down
B. on-down
C. down-up

Random Topics:
Prepositions and Phrasal VerbsPersonificationAcademic VocabularyNoun PhrasesArticlesFunctional Sentence TypesTransitive and Intransitive VerbComparatives, Superlatives & EquativesPerfect and Past TensesVocabulary and ModalsOther quiz:
Grammar › ViewJake: “Sure. No problem.” Lucas: “____”
A. May I ask who’s calling?
B. Would you mind if I put you on hold?
C. Is there anything else I can assist you with?
Vocabulary › View
rock that forms when magma or lava cools and hardens
A. igneous rock
B. sedimentary rock
C. metamorphic rock
Grammar › ViewIf you _______hard, you would not have failed in the exam
A. have work
B. have worked
C. had work
D. had worked
Grammar › View
We’re having such a lovely time in Scotland. If only it _____ all the time, though!
A. hadn’t rained
B. had rained
C. didn’t rain
