Ý bạn là ở chỗ trống số $(5)$?.
Bạn điền neccessary là đúng vì nó là adj.
Ex its neccessary for me to do st.
Làm bài :
In the UK there is no legal (1)obligatory (oblige) for children to go to school, but they have to receive an effective full-time (2)…….education .(educate). Nowadays some parents are talking on the (3)……responsibility..(responsible) of teaching their children at home. Parents do not have to be (4) academic…(academy) qualify but it is (5)neccessary . (need) to have access to libraries and teaching materials. They should also provide a (6)suitable .(suit) classroom-like environment at home. The results are (7)…impressive.(impress). Which surprises many people. Some children who were (8)……attended…(attentive) in a large class change into model pupils. By far the biggest problem for parent-teachers is the (9)…sympathetic…..sympathy attitude of other adults who say children don’t socialize. But most of them seem (10)…perfectable…..(perfect) at case with other children.