-- What did your mother say on the phone? -- She asked _______ . A. why did I fail the test B, why I failed the test C. why did you fail the test
China is one of ______ countries in the world.
Our monitor always helps other students ____ their lessons and he never says any bad words _____ others.
Students in the USA spendtime their homework than we do.
Chinese students have _________ weeks ______the summer holiday than American students.
.We can do the work better with _____ money and ____ people.