Obviously the measures taken by the local government have_______ the solution to drinking water problems in this region.

下列各句中，没有语病的一句是

下列各句中，没有语病的一句是（3分）（ ）

Would you like to______ MrZhang’s lecture this afternoon? — Sorry, I have a class meeting to______

He has changed so much that you may well not ______ him.