选出错误项并改正(5%)
( )____________
Lucy forgot her homeworkat home yesterday.
A B C D
( )____________
The gravity on Mars is about third-eights of that on Earth.
A B C D
( )____________
My sister prefersto wear black to red.
A B C D
( )____________
He was too tired that he couldn’t keep his eyes open.
A B C D
( )__________
Since her mum is busy, Mary oughts to do more housework.
A B C D