[ Grammar ]
If I ______ about your problem, I would have tried to help you.
A. had known
B. knew
C. would know
D. would have known
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Past and Perfect TensesModals of DeductionHomophone & HomonymAdjectives & QuantifiersFuture Perfect vs Future ContinuousModal Verbs and Gender NounsInterjection & Prepositional PhrasesGender and GrammarPersonal pronouns + possessive adjectives + Introgative pronounsSentence Structure and PunctuationOther quiz:
Sentences vs Run-Ons › ViewIdentify the run-on sentence.
A. She loves to dance, and she practices every day.
B. The cake was delicious, so everyone had seconds.
C. He went to the store he bought some milk.
D. They played soccer, but it started to rain.
Grammar › View
A：Look! Your cat is dancing! ______ it do that before? B：Yes, it ______ did when（當……時）it was happy.
A. Does; usually
B. Did; seldom
C. Did; danced
D. Did; always