--- Let’s go shopping, shall we?
--- Wait a minute. I my housework and it won’t take long.
A. just finish
B. am just finishing
C. have just finished
D. am to finish
网友回答
A. just finish
(答案→)B. am just finishing
C. have just finished
D. am to finish
解析：考查时态。根据it won’t take long可知我的家庭作业还没有完成，不过很快就好了。句意：——我们去购物，好吗？——等一会。我马上就完成家庭作业了，不会需要太多时间。故B正确。