two
- I think _____ of the materials I listen to at the beginning of the exam _____easy.
- I think _________ of the materials I listened to at the beginning of the exam __________ easy.
- There were different kinds of dinosaurs in the word in the past.
- He buys __________ books, but he doesn’t read them at all.
- There are ______ flowers in the square during the National Day.
- There are __________ flowers in the square during National Day.
- There are ________ flowers in the square during the National Day.
- of the coats made of cotton. They feel comfortable.
- ___of the apple ___bad
- _____of the warm water _____already been used up.