－HowisNancygettingonwithherlessons?－Shewon’tcatchupwith...

问题详情：

－How is Nancy getting on with her lessons?

－She won’t catch up with others____ she studies harder.

A.     after        B. unless          C. as soon as       D. if

【回答】

B 

知识点：连词

题型：选择题