Sefu Asamoah is an innovative architect who is _______ the traditional approach to constructing space- efficient apartment buildings.
A. challenge
B. challenging
C. challenged
D. challenges

Random Topics:
Few, a few, little, a littleGrammar - QuantiflierGrammar - direct/indirect objectsNumbersAdverbial Clauses of Reason / CausePresent Simple/AffirmativePresent Simple ProgressivePhrasal Verb With TakePerfect Verb TensesSimple Present - WH QuestionsOther quiz:
Conditional Sentence › ViewThe death rate would decrease if hygienic conditions _______ improved.
A. were
B. was
C. is
D. would be
Past Participle › View
Put put ……
A. Putting
B. Putted
C. Put
D. Putter
Grammar › ViewChoose the sentences that are closest in meaning to the given sentence(s).
Tom broke his promise to keep my secret. He apologised for that.
A. Having broken his promise to keep my secret, he apologises for that.
B. Tom apologised to me for having broken his promise to keep my secret.
C. When Tom breaks his promise to keep my secret, he apologises for that.
Grammar › View
Which of the following is SVA pattern?
A. Birds eat nuts
B. I bought a car
C. He is talking continuously
D. he is a doctor
