[ Modal Verbs and Conjuctions ]
I knocked on the door …… no one answered.
A. and
B. but
C. so
D. since

Random Topics:
Past Perfect vs Past SimpleFamily VocabularyHave to / Do not have toVerb TensesIrregular AdjectivesModal Verb Gerund or To InfinitiveIndefinite ArticlePast ContinuousPRESENT SIMPLE - CHILDRENAdjective ClausesOther quiz:
Grammar - must & have to › ViewThe past tense of must is…
A. musted
B. had to
C. could
Grammar › View
She has been working __________ hard _____________she sleeps only a few hours a day.
A. such/that
B. such/as
C. so/that
D. as/as
Vocabulary › Viewdoing something very fast and maybe even carelessly
A. tidy
B. frantically
C. solemn
D. summon
Grammar › View
We saw a __________ of monkeys swinging from tree to tree just now.
A. troop
B. team
C. gang
D. swarm
