PHONE ME BEFORE TEN; ………. I’LL BE TOO BUSY TO TALK TO YOU. A. UNL...

Question

11. Phone me before ten; ………. I’ll be too busy to talk to  you. A. unless  B. whether  C. otherwise  D. if

Answer

11. Phone me before ten; ………. I’ll be too busy to talk to  you. A. unless  B. whether  C. otherwise  D. if