He was in hospital for a year. He felt as if he was from the outside world.

To Chinese students who are learning English, more attention must ______ grammar.

下列句子没有语病的一项是（ ）

She looked upon the football star as her role model ______ yesterday, when she saw him taken away by the police for drug taking on TV[ ]

Women _______ drink more than two cups ofcoffee a day have a greater chance of having heart disease than those______ don’t.