Could you please tell me_?
A. why does the earth go around the sun
B. why the earth goes around the sun
C. why the earth went around the sun
--- ______ you give your seat to this old man?
--- Of course.
| A．Can | B．Shall | C．Need | D．Must |
My mother has two brothers. One is a doctor, ____ is a lawyer.
| A．other | B．another | C．others | D．the other |
The price of the bus ticket is much ____ than before.
| A．cheap | B．cheapest | C．cheaper | D．the cheapest |
--- ______ helped the poor cat find its home?
--- My best friend, Mary.
| A．What | B．Who | C．Whose | D．Which |
There ____ many places of interest in Beijing.
| A．has | B．have | C．is | D．are |