Come on, boys and girls. Help ____________ to all the yummy food.

Don’ put off ________ a travel plan. It’s time for us to start.

The duty of Project Hope is to help poor children, isn’t it?–Yes, it has built many schools ____ those children can study happily.[ ]

Mr. Li said he would show the students _____ New York City, which is famous _____ the world. [ ]

The rain came to a stop the night before. The fields are still full of water.　—It _________ for nearly a week.