I’m sorry you didn’t have fun ___ your day off.[ ]

When you are planting trees, the trees ________ straight in the hole.

The radio is too noisy. __________, please. —–All right. I’ll do it

How many people will come to Beijing next year?—It’s hard to say.people ,I think.

Mom, I am late. I have to run off to the school.—Dear, you needn’t do that. Today is Sunday.