MR. JACKSON HOPES TO AVOID SURGERY. HE WILL NOT AGREE TO THE OPERA...

7. - DE THI HSG CAP TINH DE DAP AN
Lớp 9 Tiếng Anh DE THI HSG CAP TINH DE DAP AN

7. Mr. Jackson hopes to avoid surgery. He will not agree to the operation ____ he is

convinced that it is absolutely necessary.

A. only if B. unless C. if D. in the event that