以为 or 认为?

Pick the right one: 以为 or 认为.

1. 1

   我 他是老师。 (I thought he was a teacher - he is not)

   wǒ ___ tā shì lǎo shī 。 (I thought he was a teacher - he is not)

   以为 yǐ wéi认为 rèn wéi
2. 2

   我 这个很好。 (I think this is good)

   wǒ ___ zhè ge hěn hǎo 。 (I think this is good)

   以为 yǐ wéi认为 rèn wéi
3. 3

   我 你在家。 (I thought you were at home)

   wǒ ___ nǐ zài jiā 。 (I thought you were at home)

   以为 yǐ wéi认为 rèn wéi
4. 4

   他 我们应该走。 (he thinks we should go)

   tā ___ wǒ men yīng gāi zǒu 。 (he thinks we should go)

   以为 yǐ wéi认为 rèn wéi
5. 5

   你 我不知道吗？ (did you think I did not know?)

   nǐ ___ wǒ bù zhī dào ma ？ (did you think I did not know?)

   以为 yǐ wéi认为 rèn wéi
6. 6

   很多人 这样。 (many people think so)

   hěn duō rén ___ zhè yàng 。 (many people think so)

   以为 yǐ wéi认为 rèn wéi