My grandma lives in the country and I visit her _______ every month.
A. / B. in C. at
Is that ____cat, Ross ? No, _____is white.
| A．his , his | B．her, his | C．hers, his | D．his, her |
Our National Day falls ___ October 1 and thousands of cars pour into freeways ___ the early morning of the holiday.
| A．on; in | B．in; on | C．on; on | D．in; in. |
—My sister is on holiday in Hainan. —I wonder ____.
| A．When she came back. | B．When did she come back |
| C．When she will come back | D．When will she come back |
Mr zhang speaks very loudly ___ all the people can hear him clearly.
| A．while | B．until | C．because | D．so that. |
—Have you done your homework?—No, I’ll finish it ___ ten minutes.
A at B. in C. on D. after