( )Beijing _______got about twenty million people. A. has B. have C. had
---did you do there?--- I learned English. A. When B. Where C. What
We to Harbin last weekend. A. go B. went C. goes
--- did you go to Canada? ---By plane. A. What B. Where C. How
Did you help them ____ their room? A. cleaned B. clean C. cleaning
Did you ___________? A. go fishing B. went fishing C. going fishing