[ Relative Pronouns ]
The heavy storm is the reason ………..I couldn’t go to school yesterday.
A. why
B. which
C. when

Random Topics:
Knee AnatomyTypes of PrepositionRelative PronounVerb + InfinitiveAdjective Clause and Adverb ClauseQuestion tag and + - AgreementAction vs Linking Verbs/ Verb PhrasesReported Speech and TensesAdverbs (manners & modifiers)Simple Present Negative and QuestionOther quiz:
Adjective vs Adverb › ViewHe ran so … that no one could catch up him.
A. fast
B. fasty
C. fastly
D. slowly
Grammar › View
Bing Wu is an obedient boy. He ______ the school rules.
A. follow
B. follows
C. followed
D. following
Grammar › ViewEach bird _________ two wings.
A. has
B. have
C. had
Simple Present Tense › View
They …. breakfast in the morning
A. have
B. has
