It’s known that the universe ______, and this will continue to happen in the future, too.
A. expanded
B. expanding
C. has been expanding
D. was expanding

Random Topics:
Grammar - used toCorrelative Conjunction & Complex SentencesConditional Sentence Type 0-3Grammar AssessmentAlthough, Though, In spite of, DespiteCoordinate ConjunctionTenses and Sentence CompletionAbstract NounsLanguage Features of an Opinion ArticlePreposition of PlaceOther quiz:
Grammar › ViewIdentify the best option of past perfect.
A. Before they had arrived at the dinner party, Chad and Bianca have stopped to buy flowers.
B. Before they arrived at the dinner party, Chad and Bianca had stopped to buy flowers.
C. Before they had arrived at the dinner party, Chad and Bianca had stopped to buy flowers.
D. Before they arrived at the dinner party, Chad and Bianca had stoped to buy flowers.
Tenses › View
She ………………….. always visit her grandparents on Sundays when she was younger.
A. would
B. could
C. should
Adverbial Clause / If / Comparatives › ViewYou won’t pass the exam ________ you study more.
A. as long as
B. unless
C. if
D. whether
Grammar › View
I always listen to music ______ the way to school in the mornings.
A. through
B. over
C. in
D. on