______ wind or rain, we always go to school on time

__________ the displays of culture and technology, the Shanghai Expo also showcased the spirit of voluntarism.(志愿者精神)

Would you mind my sitting here— ____. It’s for Miss Green.

John is a(n) ________ boy. Whenever I see him, he is working.

can I do for you—I’d like to buy a present for my son,______at a proper price but of great use.