11) Mai thinks (volunteer)……………………… is special because she can see how happy the children are when they learn. 12) The scouts also help the (old)...................................and street children. 13) Thousands of people have been made (home) .......................................by the war 14) It is very (health ) …………………………........ to eat much junk food . 15 Artists are (create) .......................................... people. 16) I’ll make an.................................................. for the meeting tonight. (arrange) 17) There was an ................................................... of paintings at the art gallery (exhibit) 18) This river is very ............................................... for swimmers (danger) 19) He is a (care)............................................ driver and he had an accident last week 20) We live in a rather rich .....................................................( neighbor ) LỜi giải chi tiết thì gì, ai làm được thì mình cho 5 sao.