A.free
B.freedom  
C.freely  
D.freeing

A.certificate
B.requirement  
C.education  
D.test

A.lose
B.run  
C.move  
D.achieve

A.Geography
B.History  
C.Arts  
D.Literature

A.struggle
B.publish
C.compulsory
D.curriculum

A.academic
B.grade
C.behave
D.examination

A.academic
B.grade
C.behave
D.examination

A.\(\sqrt {26} \)
B.\(2\sqrt 5 \)
C.\(10\)
D.\(5\)

A.\(R = 3\)
B.\(R = 5\)
C.\(R = 15\)
D.\(R = \frac{3}{5}\)

A.\(C\left( { - 10;\,\, - 2} \right)\) hoặc \(C\left( {1;\,\, - 1} \right)\)
B.\(C\left( { - 2;\; - 10} \right)\) hoặc \(C\left( {1;\; - 1} \right)\)
C.\(C\left( { - 2;\,\,10} \right)\) hoặc \(C\left( {1;\; - 1} \right)\)
D.\(C\left( {2;\; - 10} \right)\) hoặc \(C\left( {1;\; - 1} \right)\)