问题补充:
--What you for your vacation?
--I plan to visit my grandparents.
A. do, do
B. are, doing
C. did, do
D. are, do
答案:
A. do, do
(答案→)B. are, doing
C. did, do
D. are, do
解析:what are you doing for vacation?你假期准备做什么?
用现在进行时态表示将来时,结构是be+doing,意思是对将来的一种打算,翻译是计划,将要。