﹣Do you know about the scientist Tu Youyou﹣Yes，she won the 2015 Nobel Prize in medicine because of her great______．

at thoseclouds!—Don’t worry. ______ it rains, we’ll still have a greattime.

Hi, Susan, where were you at lunch time？I ________ a seat for you in the coffee shop.—Oh, sorry to miss you.My political science class ran longer than usual

I am not sure exactly how much money you will receive, but it will ______cover your major expense.

Brad was Jane’s brother!—— ______________he reminded me so much of Jane!