同学小丽在网上购得了红宝石公司生日蛋糕券,去红宝石连锁店领取了生日蛋糕。从经济活动的角度看,小丽的行为属于
She was found sitting in her wheelchair, completely ______ in a fashion magazine her son had just bought.
He said he would accept the job, so we have asked him to ______ his acceptance in writing.
Never should we forget peace and the happiness ______ brought to our country.
The experts have given some practical advice ______ the problems that most people are concerned about in food safety.
—I’m sure Andrew will come out first in this speech competition. —I think so. He ______ for it for months.