You’d better not always look up the new words the dictionary while reading. Sometimes we need to guess.

The golden rule is not to waste time waiting foropportunity. Begin, ______ opportunity will find you.

UN Secretary-General Ban Ki-moon left for Pakistan this morning， his assistant _________ him there this Friday.

Unfortunately, the soldier died____ a wound in the chess

How do you feel about those who enjoyextreme sports— — Same here. I think they’relife-threatening sports.