[ Perfect Tenses ]
They already _____________ to the library when I arrived at the hall.
A. has go
B. have gone
C. had gone
D. had go

Random Topics:
Past Simple TensesPRESENT SIMPLE - CHILDRENSentences vs Run-OnsConjunctions in Complex SentencesVerb FormDo not or Does notPast Tense (Regular and Irregular)3rd Person SingularSentence Fragments and Complete SentencesRelative PronounsOther quiz:
Grammar › ViewI asked my sister, “Where did you leave my keys?”
A. I asked my sister Where she left my keys
B. I asked my sister where she had left my keys
C. I asked my sister if she had left my keys
Gerunds As Objects of Prepositions › View
I’d like to congratulate you ……………. the world record
A. to break
B. breaking
C. on breaking
D. with breaking
