_______ I DIDN’T KNOW HOW TO DO THE JOB. BUT NOW I AM MAKING PROGR...

56. - DE THI THU DH THAN KHAO CO DAP AN
Tiếng Anh DE THI THU DH THAN KHAO CO DAP AN
56. _______ I didn’t know how to do the job. But now I am making progress.A. First B. First of all C. At first D. At the first.