.The report shows that global climate change__________the drought in Southwest of China but ______ we need to make greater efforts.

—I think languages subjects are more interesting than science ones. —________. I prefer science subjects. 

_________ get a complete picture, ________ information is needed.

They didn’t have any sweater in my size, and _____ I’d already decided I’d rather save the money.

--- Did you find the pen yesterday?--- No, I didn’t find ________, but I have bought ________.