All'ofmyclassmatesarestraight-Astudents,whichmeansIhav...

問題詳情：

  All' of my classmates are straight-A students, which means I have to spare no effort in     studying to________ them.                                          (    )

     A. keep up with  B. put up with           C. come up with       D. feed up with

【回答】

A

知識點：動詞

題型：選擇題