------You ran into Mr. Li! How did that happen? ------Well, _______ of us was looking where we were going. We came around the corner at the same time.

 – You have tried on several shirts.-- Sorry to take up too much of your time. But _______of them look good on me.

.Though having discussed it for long, they still haven’t reached an agreement__________they should pour more money into the project.

Mr Black,          who we all admire, is a kind but strict teacher．

_____ side of the street is lined with different shops, _____ of which sell electronic products.