If I work hard at my lessons from now on, can I do well in them—Sure. ___________.

______ in a red skirt in the openingceremony of the 2008 Olympic Games, the little girl Lin Miao ke won thehearts of the people all over the world.

These plants are watered________.

________ does your mother go to work in the morning— She always goes to work at seven o’clock.

下列句子没有语病的一项是（ ）