concerned raised developed returned

* Hướng dẫn giải

Chọn đáp án C.

-    concemed/kan'sɜ:nd/ (v-past/ adj): quan tâm, liên quan

E.g: Her attitude concerned me.

-    raised /reizd/ (v-past): nuôi, tăng

E.g: The government raised taxes.

-    developed /di'vel.əpt/ (v-past): phát triển

They developed a new policy to deal with the problem.

-    returned /ri’tɜ:nd/ (v-past): trở lại, trở về

E.g: They returned home after many years of travelling.