[ Vocabulary and Idioms ]
I am afraid that if this solution isn’t accepted, we’ll be back to _______ one.
A. circle
B. rectangle
C. triangle
D. square

Random Topics:
Sentence TransformationPreposition of PlaceCorrelative Conjunction & Complex SentencesRequest with Modal VerbsGerund and InfinitiveBecause / soArticles and PrepositionsContinuous and Perfect TensesConditional Sentence Type 0-3PersonificationOther quiz:
Grammar › ViewI ___ a mountain once.
A. have climbed
B. climb
C. has climbed
D. climbed
Tenses › View
The mall … (close) at 10 PM everyday.
A. closes
B. close
C. is closing
D. will close
Adjectives › ViewThe …… thing of all was that his son was rude to him.
A. bad
B. worse
C. worst
Present Simple and Present Continuous › View
I …………(play) the games on the school bus.
A. am playing
B. plays
C. play