(1)    This is____ orange. This is______  pen.

 A. a, an   B. a, a   C. an, a  D. an, an

2. What’s this_______ English?

 A. in    B. on   C. of    D. with

3. ----Good evening, Bob!

----_____________!

A. Good morning  B. Good evening   C. Good night   D. Good afternoon