点拨： 多久一次，用来提问动作发生的频率。回答用：everyday, once a week, twice a month等词语。
多长，用来询问多长时间，也可询问某物有多长。
How long does it take to get to Shanghai from here? How long is the ruler?
多远， 用来询问距离，指路程的远近。
How far is it from here to the park? It's about 2 kilometers.
Do you think of your parents? "Yes, of course," you may answer, "I buy a present for my mother on 1. And I give my father a present on Father's Day, 2. "Then what about the other days of a year? Always 3 to think of your parents, not just on some important days.
I have a friend who 4 alone, because her parents live in another city. One day I went to see her. We had a nice chat. Then she wanted to make a 5. She dialed the number, but then she put the phone 6. After about ten seconds, she dialed the number again, "Hi, Mum……"
Later I asked, "Why did you dial the number 7?" She smiled, "My parents are old. They can't get close to the telephone 8. I always do so when I call them. I just want to give them 9 time to answer the call."
My friend is a good girl. She is always 10 her parents. You also want to be a good child, right? So why not learn from her?
It was Sunday. The weather was very fine. The students of Class One went out for a . They went by with fruits, vegetables, meat, cookers and some things. At about half past ten, they at the foot of a hill. There was a big lake and many green trees there. Birds were singing and the air was very fresh. The students were preparing for the picnic. Some of them were getting from the lake, some were washing vegetables and fruits, and others were putting a big cloth the grass. At about twelve o'clock the lunch was ready.
After lunch, they had a good time by singing, dancing, drinking and talking. At three o'clock, they began to the hill. The hill was quite , but they all tried to reach the of it. On the hill, they felt very excited and all cheered.
