[ Grammar ]
I _____ about the problem months ago, but I _____ a solution yet.
A. know/haven’t
B. had known/didn’t find
C. knew/haven’t found

Random Topics:
Grammar - Countable/ UncountableCommon & Proper NounsPast SimpleVocabulary, Adjective & PrepositionSingular and Plural NounsLinking WordsFuture Perfect ContinuousVerbs with Prepositions and ConjunctionsSimple Tenses in EnglishGrammar-Verbs & Nouns Singular, Plural, GenderOther quiz:
Vocabulary › ViewWhich word means “to do or finish something difficult?”
A. clever
B. plentiful
C. plight
D. accomplish
Desert vs. Dessert › View
How did they survive in the … with little food?
(a) desert
(b) dessert
“You’re not allowed to use the computer anymore.”
A. We forbade our kids to use the computer.
B. We forbade our kids from using the computer.
C. We forbade using the computer to our kids.
Simple Past Tense › View
My teacher … me about this topic last year
A. teach
B. teaches
C. teached
D. taught
