John is not here today .Who can him in the game?
-----She looks very happy. She have passed the exam. ------I guess so. It’s not difficult after all.
----Did Peter fix the computer himself? -----He , because he does know much about computers.
.your rotten idea, we went the long way .
year after year , tigers are becoming fewer and fewer .
It was the training _____ he had as a young man _____ made him such a good engineer.