If you ________ doing something wrong or risky, you do not suffer any punishment or other bad consequences because of it.
____ excited all Chinese and even all Asians most in the Athens 2004 Olympics was ____Liu Xiang won the gold medal of the men's 110m hurdles by clocking 12.91 seconds to equal the world record.
The editor asked me to write another article for them, _____about environmental protection.
________ we do morning exercises every day _________ us a lot of good.
He is a good example _________ we can use to inspire our students.
_______ climber gets to the top first will get a $5000 prize.