cho dạng đúng của từ trong ngoặc 1/ he is an (act) student who has taken part in different charity programs. 2/ let me congratulate you on your (nominate). 3/ his generosity (distinct) himself from others. 4/ consumers always want cheap and (produce) appliances. 5/ boys and girls are playing (happy). 6/ this (land) is famous for coffee and tea. 7/ we must reduce kinds of (pollute) in the area we live in. 8/ we should use (energy) bulbs so as to save money.