----______ do you visit you grandparents ? ----Once a week .
| A． How long | B． How far | C． How soon | D． How often |
Hiking is ________ in spring, I think.
| A．a great fun | B．great fun |
| C．great funs | D．great funny |
If you have ______ try, I’m sure you’ll get the right answer.
| A．the others | B．other | C．another | D．the other |
Who taught ______ history last term?
| A．them | B．their | C．themselves | D．theirs |
Many people watched the opening ceremony of the 2013 Shanghai Tourism Festival ______ September 14.
| A．in | B．on | C．at | D．for |
I would like to play piano instead of playing ____ chess.
| A．the, the | B．a, a | C．/, the | D．the, / |