( ) 1. Which pen does Mr. Smith use when he writes the right answers for us?
A. An orange pen. B. A red pen. C. A green pen. D. A black pen.
( ) 2. What does Mr. Smith do when we do well in our homework?
A. He draws a big star in red. B. He draws a small star in red.
C. He draws a big star in black. D. He draws a small star in black.
( ) 3. Why does Mr. Smith drink a lot of tea?
A. Because he is very kind and helpful.
B. Because drinking a lot makes us feel good.
C. Because he has to speak all day and drinking a lot makes that easy.
D. Because he thinks we will be careful if he drinks a lot of tea every day.
( ) 4. Which of the following is TRUE?
A. Mr. Smith never wears glasses.
B. Mr. Smith puts a "√" or a "×" with a green pen.
C. We are all very careful when we do our homework.
D. We feel lucky to have Mr. Smith as our English teacher.

1. C
2. C
3. C
4. D

1. 根据文章中的句子“He needs a green pen to write the right answers for us when we write something wrong.”可知，史密斯先生用绿色的笔为我们写正确答案。因此，第一题的答案是C。
2. 文章中提到“He draws a big star in black when we do well in our homework.”，意思是当我们作业做得好时，他会用黑笔画一颗大星星。因此，第二题的答案是C。
3. 文章中明确提到“He drinks a lot of tea. He has to speak all day. Drinking a lot makes that easy.”，意思是他喝很多茶是因为他整天都要讲话，喝茶能让讲话变得容易。因此，第三题的答案是C。
4. 文章中提到“We are lucky to have him as a teacher”，意思是我们很幸运有他作为老师，这与选项D“We feel lucky to have Mr. Smith as our English teacher.”相符。而其他选项A、B、C在文章中都有明确的信息表明它们是错误的。因此，第四题的答案是D。