The doctors and nurses were very tired, ________ they still went on working.
| A．so | B．and | C．or | D．but |
This chair is black and that is orange chair.
| A．a; / | B．/; a | C．a; a | D．/ ; an |
－Are these your brothers?
－
| A．Yes, they’re. | B．No, they are. | C．Yes, they are. | D．Yes, these are. |
－Who’s that?
－
| A．It’s a pen | B．That’s an eraser. | C．It’s green. | D．Sorry(对不起). I don’t know. |
－
－Yes. W－A－T－C－H, watch.
| A．Is it a watch？ |
| B．Can you spell“watch”？ |
| C．How do you spell“watch”？ |
| D．Spell “watch”，please. |
Please call 354-6403.
| A．me, in | B．me, at | C．him, to | D．she, at |