________ you open the window, please? —Yes, I can.

The weather in Hong Kong is quite different from __________ in Beijing.

He started learning English ______ 10.[ ]

Are two students enough to help you carry the desk?— No, the desk is too heavy. I need ______ two.

Will you stay for the dinner?—Sorry,__________. The cookers I bought online will be sent to my house this afternoon.