①There are many people are playing basketball there.{#blank#}1{#/blank#} 
②Could you tell me the different between the two books.{#blank#}2{#/blank#} 
③It was my grandpa's eighty birthday yesterday._{#blank#}3{#/blank#} 
④Bady,it's very lazy for you to sleep late every morning.{#blank#}4{#/blank#} 
⑤I wrote an 800-word's composition yesterday.{#blank#}5{#/blank#} 
⑥The fish we caught is still living.{#blank#}6{#/blank#} 
⑦The Great Wall is one of the most famous building all over the world.{#blank#}7{#/blank#} 
⑧If Tom will study hard this term,he will catch up with his classmates.{#blank#}8{#/blank#} 

We have a responsibility to the human race deal with global warming.

               A                        B                       C             D

They were taking down the old house while I walked by.