They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.

I can hardly believe my eyes. What a poor composition you have _______. There are so many wrong spellings in it. 

Mrs Turner told me that she ______ to many cities across China when she was young. 

 My uncle from Hongkong has changed so much that I could hardly ________ him at the airport. 

 As soon as little Tom had ________ a little from his operation at his back, his first thought was to get   out to meet his friends.