— What’s the matter with Betty? She likes the book, but she will not buy it.— Betty saves her money _____ buy her mother a present on Mother’s Day.
These aren’t my keys. Mine ___________ in the drawer.
The old man is too tired _________ go any further.
His father is __________ engineer and he works __________ research.
---Which would you like to eat, bread or sandwiches? ---___________. Please give me some dumplings.
Picking apples is __________ than having class.