— That ______ Cynthia. She's always helpful.
—That's the case. It's hard to accept the fact that over 90% of my classmates ________.
—We ________ tennis in the yard when you phoned me.
—Thanks. You it. I could manage it myself.
—Maybe he got caught in the rain.
— He __________the period of time
— That's really bad. I'm sure you ______ it, but you just didn't hurry up.
—No. They _______ it, but they spent too much time shopping.
—Yeah, I stayed up late writing a report. (所给词的适当形式填空)