[ Grammar ]
They …….. to find a solution to the complicated problem.
A. could
B. can
C. were able
D. was able
Select your answer:
Random Topics:
Simple Present Negative and QuestionTenses & AffixesComparisionsSubordinating and Coordinating ConjunctionsWas and WereRelative PronounsAdverb PhrasesSimple Future - WillVocabulary and ModalsOther quiz:
If/Unless - Conditional type 1 › ViewI will take a day off ___ my boss says that it is okay.
A. unless
B. if
Verb Tenses › View
They had ? (to take) the dog for a walk before it started raining.
A. taked
B. takened
C. took
D. taken