Water is vital _____every living thing ______, without which the world would be a dead place.[ ]

What did he want to know, Jack?— _______ that we would have the picnic on Sunday. [ ]

If it_________ tomorrow, I’ll go birdwatching with my father. —–That’s a good idea.

When did Tom come to Qingdao？— It was in July，2006 and he a trip in China with his parents at thattime

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