Some people plan to ______ a volunteer project to help the disabled children.
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.
----- ________do you visit your grandparents? -------Once a month.