The natives could live forthousand years in the desert land _______ a foreigner could starve

Can I pay the bill by check?— Sorry, sir. But it is the management rules of our hotel that payment ____ be made in cash.

My brother was against my suggestion while my sister was ______ it[ ]

I just don’t know_______ myself.

It was a time_______ the killer whaleshelped the whalers catch the baleen whales.