[ Grammar ]
They …….. to find a solution to the complicated problem.
A. could
B. can
C. were able
D. was able

Random Topics:
Wh-QuestionPresent Perfect Simple & Present Perfect ContinuousModals and Past ModalsFuture Simple TenseHomophonesPronouns, Verb, ConjunctionVerbs and AdverbsFuture Tense (will/be going to/p.continuous)Phrasal Verbs with up and downMoods of GrammarOther quiz:
Articles › ViewWhy didn’t you keep it in … secret?
A. the
B. an
C. a
D. –
Grammar › View
In questions, the subject is the person, place, thing, or idea that is being asked about. What is the subject of the question? Who is the president of the United States?
A. The president of the United States
B. Who
C. The United States
D. Is
Grammar › ViewThis cake is delicious! Can I have ___ slice, please?
A. other
B. another
C. the others
D. others
Relative Clause › View
My sister was looking after a dog _______ leg had been broken in an accident
A. which
B. whom
C. that
D. whose
