They experimented _____the new medicine _____animals. A.on; to B by ; on C.with ; on D with; to
As a child, Jack studied in a village school,_______ is named after his grandfather.
______ of the land in that district _______ covered with trees and grass.
The reason why she came here late this morning was she had to look after her sick daughter.
I’ve won a holiday for two to Florida. I _______ my mother.
If we sit near _______ front of the bus, we’ll have _______ better view.