After a cold winter vacation, many people always stay at home, never exercise outside, so they usually _____ a few pounds.

Taiwanis part of China. It is thesoutheast of our country.

President Obama held talks with Chinese President Hu Jintao in Beijing, ________ economic recovery, climate change and stopping the spread of nuclear weapons.

Do you mean he ______ lots ofmoney on books—Yes. They ______ him plenty ofmoney.

Tom is so joyful that he smiles at everyone.—So ________ you if you get the first in the exam