Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

• schedule

• sugar

• expansion

• species

Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

• access

• complaint

• customer

• schedule

The ________ is home to many plants and animals.

• river

• ecosystem

• building

• machine

We need to protect ________ to save animals from extinction.

• chairs

• computers

• roads

• endangered species

A forest is a natural ________ for many wild animals.

• habitat

• library

• market

• school

Factories cause air ________ by releasing smoke.

• pollution

• painting

• tradition

• celebration

Planting trees is an action of ________.

• shopping

• cooking

• sleeping

• environmental protection

Using ________ helps reduce plastic waste.

• green products

• fast food

• cars

• phones

I got a great ________ on this jacket—it was 50% off!

• mall

• cashier

• bargain

• credit card

These shoes are ________ today. Let’s buy them now!

• on sale

• expensive

• full price

• brand new