mily is a cooperative enterprise forwhich it is difficult to _____ rules, because each family needs to work out itsown ways to deal with its own problems.

When shall we begin our trip —We’ll set out____________ our head teacher arrives.

How long have you been learningJapanese—I’ve been learning it ____________.

e early 20th century, the school keeps on inspiring children’s love of art.

I would rather________Professor Smith and I would rather you________for him at once