He is one of my students and always come to see me whenever __________.
The way ______ was thought of by him ______ the experiment was similar to the way _____ you carried it out.
------- Would you mind opening the door? It is too hot. ------- ________
I have many friends,some are businessmen.
He used to ______ cards, but now he is used to _______ a walk after supper.
He is considered ___________ the work ahead of time.