Exercise 4: Chọn đáp án đúng nhất điền vào mỗi chỗ trống dưới đây.

People have five senses. We have a sense of sight, hearing, smell, touch, and taste. Believe (1) _____, your sense of smell is very important. Our nose tells us about our environment. When your nose smells something, it sends information to the brain. Smells tell us if there is danger nearby, or if there is something to eat. Of course, these tools were more useful in the past, but they still come (2) _____ today.

The things you smell can affect your (3) _____. If you smell something nice, you are more likely to be happy. On the other hand, if you smell something unpleasant, you are more likely to be unhappy. That is (4) _____ there are so many businesses that work to create nice scents. Businesses also work on the best ways to deliver scents to people's noses. Candles (5) _____ a whole room smell better. Oils and soaps also have health benefits.

Câu 1: A. your luck             B. anyway          C. it or not           D. a word of it

Câu 2: A. in use                  B. in hand          C. true                  D. in handy

Câu 3: A. impression           B. character   C. mood               D. style

Câu 4: A. what                    B. when         C. why                 D. how

Câu 5: A. convert                B. make             C. force                 D. transform