Last Friday we went to the Forest Park to have a picnic. After that, we _________to write an 800-word composition.
--- A homeless man won a lottery ticket. He became rich over night. --- ___________________
You can save money _______ you buy cheaper things.
Han Han is a popular writer. His new book will _________ this September.
---I’m going to take part in the piano competition next week. --- ____________
---Susan, why are you still here? They are all ready to start. ---I’m sorry, but I _________ when to start.