问题
id the Englishman say—Oh, he asked where ____ .
A:did you come form
B:do you come from
C:you came from
D:you did come from;
B:do you come from
C:you came from
D:you did come from;
正确答案是：
同类题型
You can get the best result ______you carry out the experiment under the desired conditions
The school will be_____70 brand new computers. [ ]
Where did you see your friend—It was in the super market ____ I was doing shopping.
17The movie is to deucate people about environmental problems ______our planet
intelligent people can often ______ the complex,a fool is more likely to complicate the simple