When I ______to take part in the sport, I felt very surprised because I had never done this before.

My mother asked me where _____, and I told her that I was going to buy some food.

Mrs Turner told me that she ______ to many cities across China when she was young. 

Although our former neighbor       here for years, we seldom met with each other．

The last thirty years _________ the quick development in almost every field in China.

The battle lasted for a few hours and at last the enemy ________.

Though he failed in the experiment again and again, he didn’t______, and at last, he made it.

— How is your sister?
— She _______ quite good after the operation, but she is taking a turn for the worse today.

Since you are always working hard at your lessons, your efforts will ________.

—Why do you look so puzzled?
—Oh，I ________ over a most difficult maths problem.