Question

2. (2014 •甘肃兰州) Finish your homework first,then you’ll surf the Internet for half an hour.

   A. can   B. need

   C. be able to   D. may

Answer 1

2. C

2. C解析:情态动词can,need,may都没有 将来时态。故只能选C.will be able to意 为“将能够”。