Look at how many people watch cell phones and how ( ) read books.

He would go ( ) his work again and again until he felt he had it right.

They all wonder what ( ) the matter with the new equipment.

At our factory there are a few machines like ( ) described in the book.

An agreement seems impossible since most of the committee members are ( ) it.

Start out right now, ( ) you’ll miss the last train.

( ) advertisements are of some help to our life,we should not rely on them too much.

Planning so far ahead in such detail ( ) no sense—many things will change in two years.

The old couple often take a walk in the park, ( ) by their pet dog.

English learners today have a wide range of resources ( ) to choose.