Question 21: Geometry is the branch of mathematics ________ the properties and relation of lines, angles, shapes, surfaces and solids.

A. is concerned with                                                    B. dealing with                 

C. the deal about                                                          D. to be concerned about

1000 câu khó mục tiều 9+ Tiếng anh ôn Tốt nghiệp THPT Quốc Gia (Lesson 6)