250. Jack is a very stubborn(顽固的) person. I was unable to _____ him to do as I said. I want to ask you to have a word with him.
Because of my grandma’s poor memory, she has forgotten all____ you told her.
The weather turned out to be very good,_____was more than we could expect.
The river______ are covered with trees is polluted.
My daughter told me that_____ of her homework had been finished.
The Un is to____an end to the dispute between the two countries. I’m sure the issure will_____ an end soon.