I’m waiting for my friend. If he _______, I will go swimming alone.

A．doesn’t come                         B．won’t come

C．will come                             D．is coming

I’m waiting for my friend. If he _______, I will go swimming alone.

I am waiting for my friend.______, I will go swimming alone.

1. A.
   If he doesn’t come
2. B.
   If he won’t come
3. C.
   If he will come
4. D.
   If he is coming

I am waiting for my friend.                , I will go swimming alone.

A. If he doesn't come       B. If he won’t come  

C. If he will come         D. If he is coming

用方框中所给单词的适当形式填空，每词限用一次。

66. Ben has his ______ house and car.

67. I will go swimming with my friends ______ my parents agree.

68. Class begins, let’s stop ______.

69. The little boy took away the keys ______ his grandfather was sleeping.

70. There are many ______ in history.