----Hurry!There’snotimetowaste.  ----OK.ButI’mafraidth...

问题详情：

 ----Hurry! There’s no time to waste.

   ----OK. But I’m afraid that ______ I work around the clock, I can’t catch up with

those straight A students.

  A. even if       B. as                       C. until                   D. as though 

【回答】

A

知识点：连词

题型：选择题