AFTER HE ____________ HIS ENGLISH COURSE, HE WENT TO ENGLAND TO CO...

21. - BAI TAP ON THI TN VA DAP AN 21. - BAI TAP ON THI TN VA DAP AN
BAI TAP ON THI TN VA DAP AN
21. After he ____________ his English course, he went to England to continue his study. A. finish B. finishes C. finished D. had finished