You should try to get a good night’s sleep ______ much work you have to do.
– I’m very tired. – We really should stop _____.
WHO is short _____ the World Health Organization.
I soon found that the work I was doing had already been done, _____, I was wasting my time.
She had stomach trouble and had to follow _____.
Our senior high school has _____ students as my junior high school.