| A．must | B．can’t | C．aren’t | D．mustn’t |
( )| A．I usually drink some milk at nine o’clock. |
| B．I usually drink some milk at eight o’ clock. |
( )| A．Dan goes to see a doctor. |
| B．Dan goes to visit a teacher. |
( )| A．In the morning, I get up early. |
| B．You should go to bed early. |
( )| A．Eve has a fever. |
| B．Eve has a toothache. |
( )| A．My mother is making breakfast. |
| B．My mother is calling my teacher. |
( )| A．He goes to see a doctor. |
| B．He goes to bed. |
( )| A．You look nice. |
| B．You look tired. |
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