— Do you like Nack? — Yes, Nack is good, kind, hard-working and intelligent; __________, I can’t speak too highly of him.
There are ________ books in our school library;however,________ of them are old.
Our government are taking firm measures to make pollution________.
________ deep down in the earth,the dead forests rotted away and became coal.
—What happened to the priceless works of art? —________.
—What happened? —Oh,a bee appeared on Kate’s dress,and her sudden________ of cry scared us.