The lectures delivered by excellent teachers across the province _____a fairly wide range about English teaching and I can’t sum them up in a few sentences.[ ]

They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.

It’s helpful to put children in a situation ________ they can see themselves differently[ ]

It’s easy to _________ this camera , while putting the pieces together is quite difficult, so you must keep the directions well.

I want to put up the picture on the wall. Would you mind helping me with it — ______. With pleasure.