Hey, TomI think I am quite familiar with these photographs— It is impossible for anyone_________ them before, because MrNewman had them developed today

下列各句中，没有语病的一句是（ ）

Will you go to the park to have apicnic — Yes. If it _____ tomorrow, I will go.I like to play in the sun.

Only when________ possible to settle the problem.

What is known to us all is that the bacteria that live in the soil help to _______ our wastes.