Local workers are going on a strike for the salaries here are low ________ the rates elsewhere.
Quarrels often _______ between the wife and husband but they both wish to take measures to prevent them ______ happily.
_______ you have masses of work to do, you don’t have to help me with the housework.
Believe in yourself and work hard and ______ your final goal will be achieved.
It still puzzles today’s scientists ______ some mammals produce their young ______ others lay eggs to produce their offspring( 后代)
-- Mum, I failed again in today’s examination. --Oh, ________. The world is not _______.