这句话为什么用did 不用do
这句话为什么用did 不用do
How much did the computer cost ben?这句话中为什么要用did不用do?
What did your boss say to him 中为什么不用do而用did?
when did you do that 中do 为什么用原形不用过去式?
when do your parents visit their friends 为什么用do 不用did
what did she do last weekend?do为什么不用does
so did the flowers give you some ideas?这句话为什么不用any而用some,疑问句
提问动词用what……do/done/doing 为什么不用did 可不可以what does
Did she do some reding yesterday?为什么前面不用is,而是用助动词?
Do you know the key to the question?这句话里key后面为什么用to而不用of?
英语语句判断Do you mind you ( open ) the window 这句话中 为什么用open,不用op
i do not know what to do .为什么不用 what does ,what did