Where is Mary? She………… books in the library at the moment.

Nylon ______________ in the 1930s

I feel terrible. I think I ______ sick.

The worker was _______ his boss expected, so he was offered a raise.

Earl was one of the first American artists ___________ landscapes.

Your car is different _____ mine.

Spain _____ at one time a very powerful country.

I asked her if she______the following exam.

The children felt.............when their mother was coming back home.

Braille _________ a system of raised dots that can be read with the fingers by people who are blind.

Every day, he _________ his buffalo to his plot of land.

I sometimes fly _____ kites in the summer.

Give me the book ______ is on the table.

While I _____ TV, my sister _____ to music.

Are there .......... pens on the table? Yes, there are.

If I __________a lot of money now, I ______________a new car.

Are you interested in _____ football.

He used _____ next to me in class.

The ...... friendly products are designed not to harm the natural environment.

Tam got wet ________ he forgot his umbrella.

The local government suggested ……. a road through the Nam Cat Tien National Park.