Sandra works in abig factory.She’s_________worker.

Here is a dog. Is it yours —Yes. It is very and can follow my directions(指示)。

Jenny hasn’t come yet.—How strange! She _____.[ ]

Among those contributing a lot to the Hope Project ________ a famous star, who graduated from our school.

Mary is tired of learning because she is_______ to do better than she, both at school and at home.