____ you got to know my telephone number—Through a friend of yours.

aven’t seenJohnson these days—— I think she _______a conference in Beijing, but I’m not sure

_________your watch five minutes ahead is an effectiveway to avoid being late.

The Dragon Tower, from top visitors can enjoy a good of Harbin , attracts hundreds of tourists every day

Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health[ ]