Zoos are like ________ textbooks for young people.

More than one company ___ the new design to market only to see it quickly denied by those who couldn’t wear them

I don’t know ______ the future holds in store for me, but I’ll face the storms of life bravely.[ ]

___________, a form must be filled in

It was ______ the second-hand bus that the mechanic spent the whole afternoon in the factor. [ ]