用括号内所给动词的适当形式填空，在答题卷上相应的横线上填写答案。(本大题共8分，每小题1分)
My mother ____________ ( mop ) the floor when the telephone rang.
___________ ( harvest ) crops, farmers work very hard in the fields every autumn.
All work and no play ___________ ( make ) Jack a dull boy.
Timmy did what he could ____________ ( find ) his way out after the earthquake.
Alice saw her son ____________ ( tidy ) up the bed when she went to wake him up this morning.
I’m surprised to hear that she ___________ ( fall ) off her bike carelessly yesterday.
Nobody knows what ____________ ( happen ) to him in a few years.
Spring Festival is coming, Li Lei with his parents ____________ ( prepare ) to visit Hainan Island these years.