问题
I’d like to know ______ Chinese. [ ]
A: when he began to learn
B: when did he begin to learn
C: when did he begin learning
D: for how long he began to learn
B: when did he begin to learn
C: when did he begin learning
D: for how long he began to learn
正确答案是：
同类题型
To solve the traffic problem, more and more bridges ____________ across the river every year.
The shirt looks nice on you! How much does it — I just ten dollars for it.
May I have a talk with you, sir?I’ve got importantto tell you.
You think you are clever,____, I assure you that you are very foolish.