— Tony, are you listening to me?—Sorry, Sir. I ______ to figure out what you said just now.

Since mid July, many areas in Shaanxi       continuous heavy rain, leading to frequent natural disasters.

I _______to go shopping that Saturday, but the bad weather made me change my mind.

My friend, Tom had just lost his job when, at the precise moment, his girlfriend ______ up with him. She was rubbing salt into his wound.

My mother _____ all the cleaning for my family, but recently she has been too busy teaching to do it.