In summer， food will go bad quickly ________ we put it into a fridge．（ ）
A．ifB．unlessC．as soon asD．while
﹣I had a quarrel with my friend Jim yesterday，and now I_______it．
﹣Why not go and say sorry to him at once？It's never too late to mend．（ ）
A．feel ashamed ofB．am proud of
C．am interested in
﹣What about going to see Captain America：Civil War （《美国队长3》）this Tuesday？
﹣I，d love to，but I'm very busy on weekdays．_______，I can go only on weekends．（ ）
A．For exampleB．Since then
C．That is
﹣This summer a lot of athletes will go to Brazil to_______the 2016Rio Olympics．
﹣I love sports and I can't wait to enjoy the exciting moments．（ ）
A．take part inB．take pride in
C．take in
﹣It is reported that many wild animals in the world are_______because of human behavior．
﹣We must do something to stop people from hunting and selling these animals．（ ）
A．in dangerB．in publicC．in silence
﹣Miss Wang，I'm sorry I am late because I _______ to catch the early bus．
﹣It doesn't matter．You'd better come to school earlier next time．（ ）
A．neededB．failedC．managed