— Mom, can you give me an extra 200 yuan a month?— Son, we have just bought a house, and from now on we need to practice strict ______.
He began to take political science only when he left school .
If we can our present difficulties , then everything should be all right .
People try to avoid public transportation delays by using their own cars , and this creates further problems .
She devoted herselfto her research and it earned her a good reputation in her field .
If the firms failed to make enough money , they would.