We should do everything we can to protect the birds ______ danger.
David’s dream in China is to go into the west and __________ an early childhood school there.
__________she is very old, __________ she can still work eight hours a day.
——I think Paul is __________ a careful person that he seldom makes mistakes.——But this time he did. He was __________ nervous that he made a tiny mistake.
There __________a number of books in our school library. The number of books __________ getting larger than last year.
——When shall we go to watch the basketball match in the sports centre?——Not until the work __________tomorrow.