During your English study you will many difficulties.A. come aboutB. come outC. come byD.

问题补充：

During your English study, you will many difficulties.

A. come about

B. come out

C. come by

D. come across

答案：

A. come about

B. come out

C. come by

(答案→)D. come across

解析：这题考查词组辨析：come about发生，come out出版， come by经过， come across遇上，句意是：在你学英语的过程中，你会遇到很多困难。选D。