46, She can speak both Vietnamese and English perfectly ( BILLINGUAL)
➝…………………………….
47,They have cleaned the streets this week ( BEEN )
➝…………………………….
48, You can’t understand these things because you are very young ( ENOUGH)
➝………………………………
49, How many people are there in our school? ( THERE ARE )
46. She is bilingual in Vietnamese and English.
47. The streets have been cleaned this week
48. You are not old enough to understand these things.
49. I want to know how many people there are in our school