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

Random Topics:
Auxiliaries VerbPresent/Past/Past ParticpleAdjectives & AdverbsPast Perfect TenseModals with Perfect InfinitiveGrammar - SimilesThe First Conditional SentenceNounsComparisonsTOEFL GrammarOther quiz:
Question Tags › ViewThey are not here, are they?
A. No, they are here.
B. Yes, they are present.
C. Yes, they are not here.
D. I don’t know if they are here.
Grammar and Vocabulary › View
Don`t worry mom. I ______ to call you.
A. won`t forget
B. don`t forget
C. am not going to forget
D. am not forgetting
