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:
Past Simple Tenses › ViewHow do you form a negative sentence in the past simple?
A. Add ‘not’ after the verb in its past form.
B. Use ‘did’ + base form of the verb.
C. Use ‘was not’ or ‘weren’t’ + past participle of the verb.
D. Use ‘did not’ or ‘didn’t’ + base form of the verb.
Phrasal Verb › View
The new contracts system we’re _______ in the autumn will make a huge difference to the way we deal with our clients.
A. Bringing in
B. Breaking into
C. Getting up
D. Getting on with
Reporting Verbs › View“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
