You can _____ your shorthand ability by taking notes in shorthand during lectures.

You can _____ your shorthand ability by taking notes in shorthand during lectures.

A. keep on

B. keep in

C. keep up

D. keep back
Xem đáp án
C là đáp án đúng
Lời giải:
Keep up: giữ vững, duy trì
Shorthand ability: khả năng tốc kí