The most common intensifier in English is "very." Its equivalent in Spanish is muy, which also is quite common.
The boy is not very tall. 
The green and yellow ribbons are quite long.
The purple ribbon is very long.
The orange ribbon is not very long.
Example:
That is very interesting.
That is quite interesting. (reducing intensity)
Choose the correct form for each sentence.
1. This book is interesting. 
2. Juan is 2.05 m tall. Joe is 2.00 m tall and Jim is 1.85. I think Joe is tall. Although, I think Jim is tall, too.
3. The weather has been rainy. 
4. The yellow car is old. 
5. The gymnast can jump high.
6. This house is big. 
7. Sushi is $15 dollars, pizza is $ 20 dollars, and a hamburger is $ 5 dollars. The pizza is expensive, so I will choose to eat a hamburger that is cheap.
8. The red truck is going 120 km/hr. It is going fast.
9. The blue truck is going 60 km/hr. It is going fast. )
10. The yellow truck is going 80 km/hr. It is going fast.
