Walking DL

He .... by bus every day, back and forth, an hour and 20 minutes each way.

• integrates

• commutes

• maintains

Tourism is the .... of the country's economy.

• backbone

• prominent

• sustain

Einstein is .... as the most prominent scientist of the twentieth century.

• sustained

• maintained

• regarded

The police ... them for drinking and driving.

• carpooled

• arrested

• depicted

Something that is ordinary, without any interesting or exciting characteristics:

• segregated

• nondescript

• backbone

Drivers who exceed the speed limit can expect to be ... heavily.

• fined

• depicted

• arrested

We decided to ... to make getting to work easier and more efficient.

• carpool

• maintain

• integrate

It's hard to .... yourself into a society whose culture s so different from your own.

• integrate

• sustain

• segregate

This planet is unable to ... human or plant life.

• depict

• commute

• sustain

Burning waste can.... energy that can be used for electric power or heating.

• yield

• depict

• vacate