What were you doing when he ________“hello”to you—I _______in front of the blackboard.

In a way I can see what you mean, even though I don’t _____ your point of view. [ ]

Safety in school has been ofgreat concern because of frequent reports about accidents studentsgot injured or killed while in school

Make a list of the things you want to buy. ________,you will surely forget some of them.

Please e—mail Jack _____ jacksmith@sina．com．