The author believes that it is the test system,________ the teachers, that is to blame for the heavy burden of middle school students

Because of the ________ of her pet dog, Jenny was so sad and cried for a long time.

Curious about the world around him, my son____ask me endless questions when he was young．

Two students in our school will_____ the sports meeting tomorrow.

— Cathy, I have cleaned the room for you.— Thanks. You _____ it. I could manage it myself.[ ]