There (86) ______ three main types of educational institutions: primary (elementary) schools, secondary schools and universities.
A. have
Đáp án C
Danh từ phía sau là types (số nhiều) nên ở đây dùng there are
There are three main types of educational institutions : Có ba loại cơ sở giáo dục chính
Undoubtedly, medical science will continue to (15) ________. Some people will be able to avoid medical problems that are unavoidable today.
European countries which have most (22) ____ assimilated English into daily life are England's neighbors in Northern Europe: Ireland, the Netherlands, Sweden, Norway, and the rest of Scandinavia.