—Did you visit the museum today?
—No. We _____ it, but we spent too much time shopping.
| A．could have visited | B．must have visited | C．could visit | D．must visit |
--- Who has been planning the summer camp?
--- Everyone in the class .
| A．is |
| B．have |
| C．has |
| D．are |
--- Everyone says you are a good employee. You never make a mistake, do you?
--- .
| A．Yes, never. |
| B．Yes, sometimes. |
| C．No, sometimes. |
| D．Oh, really? |
--- Have you found the dog?
--- No, but.
| A．I am |
| B．I’m |
| C．I’m just going to |
| D．I’m just going |
--- Have you been here long?
--- .
| A．No, not very. |
| B．Not much. |
| C．Yes, only little. |
| D．No, only yesterday． |
One of the sides of the paper should be painted yellow,and ．
| A．the other is white |
| B．another white |
| C．the other white |
| D．another is white |