Which city do you want to?---I want to go to Beijing. A. goB. to go toC. go toD. going

问题补充：

--- Which city do you want to?

---I want to go to Beijing.

A. go

B. to go to

C. go to

D. going

答案：

A. go

(答案→)B. to go to

C. go to

D. going

解析：句意：你想要去哪个城市？want后面接带to的不定式作宾语。本句中which city是go的逻辑宾语，go后面不能直接接名词或者代词做宾语，故需要加介词to，