–MayIuseyourpen?Mineareleftathome.    --Ofcourseyou

问题详情：

 –May I use your pen? Mine are left at home.

     --Of course you ________. Here you are.

     A. must    B. should     C. need     D. can

【回答】

D

知识点：情态动词

题型：选择题