Your book can ____ on the desk.
Mary said that she __________ to Guangzhou.
The painting you drew is beautiful. But why not paint the walls ________ .
Students in their school ___________ trees on Tree Planting Day every year.
_______ it’s very foggy, the highway is closed for the time being.
— I wonder if your father _______ you to go swimming.— I’m not sure. But I will tell you if he _______ to let me join you.