[ Grammar and Vocabulary ]
The planets of our solar system ______ the sun, which is a star.
A. biosphere
B. orbit
C. spacecraft
Select your answer:
Random Topics:
Future TenseConjunctions in Complex SentencesSimple Past Irregular & NegativeWish, Unless, If sentenceModal Auxiliary VerbsVocabulary & GrammarThe First Conditional (if/unless)Because / soAsking & Giving OpinionPresent Perfect Simple & Present Perfect ContinuousOther quiz:
Prepositions › ViewThe class listened ___ the guest speaker’s presentation with great interest.
A. to
B. on
C. with
Past Perfect and Past Perfect Continuous Tense › View
I ___________ (wait) for her for hours before she came.
A. had been waiting
B. has been waiting
C. had been waited
D. had waited