Oceans altogether cover 75 __________ of our Earth.
A. percent
B. size
C. experiment
D. existence
Đáp án: A
Giải thích: percent: phần trăm
Dịch: Tổng tất cả các đại dương chiến 75% bề mặt trái đất
Organisms play ________ important role in keeping the nature balanced.
A big ocean in the world is divided ___________ five different parts: the Pacific, Atlantic, Indian, Antarctic and Arctic Oceans.
A large number of jellyfish are _________ stake due to overhunting.
They will never forget _______ the man-eating shark at the beach.
The director _______ for the meeting by the time I got to his office.
My mother told me she _______ very tired since she came back from a visit to our grandparents.
They can send submarines to take photographs of animal life and bring back to the __________ for further study.
This season's _______ include five new plays and several concerts of Chinese and Indian music.
Today’s scientists have overcome many of the challenges of the depth by ________ more sophisticated tools.