My sister is very lazy. She _________ helps my parents with housework.
The students _____ the bus and walk across the bridge _____ the river.
We go _____ the road and _____ the building, then get to the park.
Liao Dong is __ __ his eraser, and _____ it finally.
---- If you have any trouble, be sure to call me. ---- _______.
—Would you like some drinks, boys? —Yes, ____ , please.