.When _____ my childhood, I get lost in happy memories of times now gone forever.

Do you think _________English songs helps to improve your English a lot—Yes, I think so.

Amy, can we give away these soft toys We ________them for many years.—Mom, but I want to keep the bear.

It _______ long ______ we know the result of theexperiment.

Although we had been out of touch for ten years, I recognized her _____ I met her.