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.
China has in producing clones of cows and goats, and continues to research ways_______ can benefit mankind.
I wouldn’t think it him to join the club — he’ll only refuse.
The program you are watching is broadcast while the performance is in process on the stage.
The angry teacher the impatient boy who was doing something that had nothing to do with what was being taught.
He failed in the driving test again. He .