用if so完成句子。

1. Will you be free this evening?____,let us go to the concert together.

    你今晚有空吗?如果有,我们一起去听音乐会吧.

2. Is anybody feeling cold?____,let us open the windows.

    有人感到冷吗?如果没有的话,我们把窗户打开.

3. — I hear Tom fell off his bike and hurt his arm.

      我听说汤姆从自行车上掉下来摔伤了胳膊.

    — _____, let's go and see him.

          如果是那样的话,我们去看看他吧.

4. Point out the mistakes in the sentences,____ .

    指出句中的错误,如果有的话.

5) ____   , try to speak English as often as you can.

    如果可能的话,尽可能经常地讲英语.

6. ____, I will go there myself.

    如果必要的话, 我将亲自去那儿一趟.