Read the conversation again and choose the correct answers.

Which language is most spoken as a first language in the world?
1. English
2. Chinese
3. Vietnamese
English has about ___________ words and technical terms.
1. 500,000
2. 300,000
3. 800,000
The ___________ of form makes English easy to learn.
1. simplicity
2. flexibility
3. openness
One of the reasons why the vocabulary of English is open is that it has ___________.
1. a lot of words
2. many varieties
3. borrowed many words
Some English verbs are ___________ their nouns or adjectives.
1. very different from
2. the same as
3. changed according to