1 . We’ll go to the Summer Palace if it ________(not rain)tomorrow.

2 . — If it ________ this Sunday, let’s go to the countryside.
— OK! But nobody knows if it will rain in three days.

A．won’t rain

B．rains

C．doesn’t rain

3 . Linda makes her room untidy. Her parents are angry.（改为含if的主从复合句）
________ Linda ________ her room untidy, her parents ________ ________ angry.

4 . Without enough exercise, you will get fat.（改为同义句）
________ ________ ________ take enough exercise, you will get fat.

5 . We’ll go boating if it ________ cold tomorrow.

A．isn’t

B．doesn’t

C．won’t be

6 . 如果你不告诉我，我就自己把它弄明白。
I will find it out myself ________ you ________ me.

7 . Aunt Li doesn’t know if it _________ tomorrow. If it _________ tomorrow, she won’t go to the park.

A．will rain, will rain

B．rains, will rain

C．will rain, rains

8 . She will go to the cinema. It won’t snow tomorrow.（用if合并为一句）
She ____ ____ to the cinema if it ____ ____ tomorrow.