Challenging Yourself 单句语法填空1Eat plenty of (leaf) green vegetables.答案：leafy2This food is easy of (digest)答案：digestion3Leave the door open and you will (breath) fresh air.答案：breathe4Some young parents give up their jobs to care their children.答案：for5Children should learn to stand on their own feet rather just depend on their parents.答案：than6Our English teacher began a beautiful song.答案：with7As an orphan, he is cared by the local authorities.答案：for8We must be (care) not to be cheated.答案：careful9His eyes were filled tears as he looked right at her.答案：with10The boy explained the reason he was late for school. 答案：why/for which 单句改错1The weatherman predicted that it would probable rain.probableprobably2You may depend on her arrive on time.arrivearriving3We should learn to depend on us.usourselves4A cook will be immediately fired if he is found smoke in the kitchen.smokesmoking5If it necessary, I will call on you next week.it后加is或去掉it 完成句子1我们经常听到他在院子里读英语。We often English in the yard.答案：hear him read2有人看到他进了餐馆。He into the restaurant. 答案：was seen to go3我不能来的理由是我要为即将到来的考试做准备。The reason I cant come I have to prepare for the coming exam.答案：why；is that4他们注意到那个年轻人匆忙离开了。They in a hurry.答案：noticed the young man leave5他在课堂上打瞌睡是因为他昨晚熬夜了。The reason he was sleepy in class he stayed up last night.答案：why；was that2