Today a lot of important inventions are carried _____ by scientists.
Kiến thức: cụm động từ
Giải thích: carry out: thực hiện
Tạm dịch: Ngày nay, rất nhiều phát minh quan trọng được thực hiện bởi các nhà khoa học.
Đáp án: D
So many _____ people applied for the position that we won’t be able to make a decision for weeks.
It isn’t very _____ to leave the lights on when you are not in the room.
My ideal world would be a peaceful one which there are no wars or conflicts.
Choose the word that has the main stress placed differently from that of the others.