— A Boeing 777-200 plane became lost in communication (失去联系) at midnight the early morning of March 8th. —I was amazed(震惊) to hear that.
— Can I help you? —______
— What’s the ________ of the book? — 5 dollars.
Grace doesn’t like math because she thinks it is ________.
— Let’s go to Lihua Clothes Store. — OK. They sell all the clothes ____ very good prices.
— ________ do you like history? — Because it is interesting.