[ 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:
Modal Verbs › ViewIt’s necessary for you to type this document as soon as possible.
A. You can’t type this document as soon as possible.
B. You may not type this document as soon as possible.
C. You need to type this document as soon as possible.
D. You must type this document as soon as possible.
General Knowledge › View
What is an apple?
A. Fruit
B. Vegetable
C. Meat
D. Grain
E. NONE OF THE ABOVE
This 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
