Could you write me your new e-mail address—________.

ay was popular and every time ______aboutit, he owed his success to the support of his friends

How can we travel around the world online— on icon， choose any city you like and you can start your tour.

Air_______ is one of the biggest problems in the world today- Yes. We must take action to make the air less_______.

The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make __________ it is.