Even professional marketers are never sure ___________ some new products are runaway successes while others fail miserably.

Help me! Even professional marketers are never sure ________ some new products are runaway successes while others fail miserably. A. for B. why C. since D. whoever
9 years ago
Asked 9 years ago
Jade

Like it on Facebook, +1 on Google, Tweet it or share this question on other bookmarking websites.

Sponsored links
B. why
Answered 9 years ago
bogus English teacher

why
Answered 9 years ago
Sam

B. why Because there's a contrast in the sentence.
Answered 9 years ago
Luka Ivezic - Lukaznachi

Please register/login to answer this question.  Click here to login