Which of the following is caused by the earth’s turning around the sun?
| A．The rising and setting(落下) of the sun and moon. |
| B．The change of spring, summer, autumn and winter of the year. |
| C．The change of the day and night. |
| D．The time in the east is earlier than that in the west. |
I should go to see a dentist because I ________.
| A．have a cold | B．have a toothache |
| C．have a sore back | D．have a fever |
— ________ do you watch TV?
— Every day.
| A．How old | B．How many | C．How much | D．How often |
---- Is thatpen?
----- No, It is eraser.
A. a; aB. a; an C. /；an
---What’s on the desk?
— There are two .
A. pencil B. dictionaryC. rulers
If(如果) this is your backpack, please call Ann 32467589.
A. in B. atC. of