—How long has John been here?
— Two years, _______ he still has no friends.
| A．and | B．so | C．but | D．or |
The jacket is black _________ blue.
| A．of | B．is | C．and | D．in |
——What color is the pen?
——___________.
| A．It’s yellow | B．It’s a yellow one |
| C．It’s a yellow | D．It’s a blue pen |
——What’s this?
——___________.
| A．It’s a pen | B．Yes, it is |
| C．No, it isn’t | D．This is a ruler |
——__________
——P-E-N.
| A．What’s this? | B．Spell it, please. |
| C．Is it a key? | D．It’s a key. |
This is _________ orange and that is ________ ruler.
| A．a; an | B．an; a | C．an; an | D．a; a |