14.I didn't know...　我不知道……

1.I didn't know you were waiting for me.

我不知道你在等我。

2.I didn't know how to swim until I was 16 years old.

我直到十六岁才知道怎么游泳。

3.I didn't know where the boss went.

我还不知道老板去哪里了。

4.I didn't know cheese was so expensive.

我还不知道奶酪这么贵。

5.I didn't know you weren't coming to Thanksgiving Day dinner.

我当时不知道你不会来吃感恩节大餐。

Dialogue 1

A:I have got to go now.I am late.It's 8:45!

B:Where are you going?You don't have to work today.

A:Oh!I didn't know that today is a holiday!

B:That's right.You can relax.

A:我现在得走了。我迟到了。八点四十五了！

B:你去哪里？今天你不要上班。

A:噢！我还不知道今天放假呢！

B:说得对。你可以放松放松。

Dialogue 2

A:Here comes Mrs.Benson.Did you do your homework?

B:What!I didn't know we had homework!

A:You should pay more attention to what goes on in class.

B:Well,maybe she will let me hand it in tomorrow.

A:奔森夫人来了。你做家庭作业了吗？

B:什么！我还不知道我们有家庭作业呢！

A:你应该多注意课堂上的事。

B:嗯，说不定她会让我明天交。