Not until the fish died in the river how serious the pollution was.

I haven’t seen my close friend John lately, and I wonder how things go with him.- I _____ him the other dayHe said he worked in a candy store.[ ]

What he said is not to the point _____ we should focuson constructing a harmonious society.

Large quantities of time ______ for practising guided writings.

Here are some books for_______ sister and_______ .