People try to avoid public transportation delays by using their own cars ,and this ______creates further problems .
At the meeting they discussed three different ______ to the study of mathematics.
The appearance of Yao Ming has ______ the fans of a sure victory for the Huston Rocket in the coming NBA contest.
Everything ______ into consideration,they ought to have another chance.
Only then ______ how much damage had been caused.
—How long will you be staying?—I don't know.______ .