This is an example from my Chinese textbook:
I transcribe it below:
The second sentence takes me by surprise; it looks like an error to me. I think 会汉语 (huì hànyǔ; "can Chinese") should be 会说汉语 (huì shuō hànyǔ; "can speak Chinese") or a variant like 会讲汉语.
Question: Is 马克又会汉语又会日语 an error in my Chinese book?