What were you up to when your parents came in?— I＿＿for a while and＿＿some reading.A.was playing； was going to do B.played； did C.had played； was going to do D.had played； did为什么选c不选d啊?

来源：学生作业帮助网编辑：作业帮时间：2024/11/16 02:16:34

What were you up to when your parents came in?— I＿＿for a while and＿＿some reading.A.was playing； was going to do B.played； did C.had played； was going to do D.had played； did为什么选c不选d啊?
What were you up to when your parents came in?— I＿＿for a while and＿＿some reading.
A.was playing； was going to do B.played； did
C.had played； was going to do D.had played； did
为什么选c不选d啊?

What were you up to when your parents came in?— I＿＿for a while and＿＿some reading.A.was playing； was going to do B.played； did C.had played； was going to do D.had played； did为什么选c不选d啊?
这段对话的准确意思是：
——你爸妈进来时,你正在做什么
----我已经玩了一会儿了,正准备看会儿书.
理解了意思,时态自然就能选对!

reading 'ing'是正在或将要做的意思.
did是已经做了的意思.
所以不能用在同一句.

根据意思是说我过去正在做什么。。
C是对的。。

what you up to what you up to WHAT ARE YOU UP TO what are you up to? what are you up to What are you up to? What do you up to what are you up what have you been up to What have you been up to lately? what have you been up to?中文翻译 ..What you've been up to? What have you been up to? what have you guys been up to? what have you been up to lately? what have you been up to? WHAT ARE YOU UP TO中文是什么意思? what you up to?怎么翻译? what have you been up to today.