A. and B. but C. or D. yet
A. if B. Once C. When D. Unless
Although But C. Because D. Unless
A. and B. while C. but D. so
A. even if B. as if C. unless D. because
A. either;or B. neither ;nor C. not only ;but also D. not;but
A. either;or B. neither;nor C. not omly;but also D. both;and
A. Either;or B. Neither;nor C. Not only; but also D. Both ;and
A. since B. from C. for D. if