Not only _____interested in changing teaching methods but _____beginning to show an interest in it.

My MP4 player isn’t in my bag. Where _____I have put it?[ ]

What_______ you offered me! Now I can both do sports and finish my homework.

This is the reason ______he explained at the meeting for his carelessness in his work.

I’m told that you are leaving for Beijing. – Who _____ so?