( )（2） 如何询问这是谁的太阳帽：
A．Whose sun cap is this ? B. Where is the sun cap ?
---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