____ the help of man-made satellites卫星, we can know what the weather will be like in the future few days.

Since he has made such good preparations , there ______be any difficulty in winning the first prize.

Make sure you get enough sleep and don’t make yourself so ______ !

Early peoples moved around, ______ the herds of animals.

The great damage which the destructive earthquake in Japan in March 11, 2011 _______ made a great many people homeless.’[ ]