Exercício: Choose the correct alternative

Choose the correct alternative:

A) She has been trying hard to get used to using that system for far too long.
B) She has been trying hard to get used to using that system for a long time.
C) She has been trying hard to get used to using that system during a long time.
D) She has been trying hard getting used to use that system.

Resposta

B) She has been trying hard to get used to using that system for a long time.