Have you finished your homework yet?— No, I’ll finish it in ________ ten minutes.

Would you please tell me _______ ?—Yes, it’s over there .

It’s _____ hard problem for the twins that ____ of them can work it out.

volunteers are working for 2014 International Horticulture Exposition in Qingdao.

_____ do you go to the cinema?—Once a month.[ ]