If you want to work out the problem of stress successfully, you need to find out the _________ first.
In winter days, we have to ___________ the snow on the playground.
It’s 3 o’clock in the morning, but I’m still wide __________.
Our car ___________ on the way to the valley, so we had to wait for rescue.
Water, food and air are the ___________ needs for life.
— _____ you lend me your camera? — No problem. Here you are.