____my brother ____ my sister is able to use a computer. However, I can.
Mary spends a lot of money on clothes _____ her family is not rich.
—_____ will you play basketball with me? —In about 20 minutes after finishing my homework.
Daniel is good at computer. He taught _____ to make a home page.
I _____ walk to school. But this morning I took a bus because I got up late.
Mr. Chen is _____ generous man. He has donated a lot of money to people in need.