Mark help 2 children to ... from his first marriage.
A. require B. support C. grow D. affect
Although he did his test, he had to be ... with third place in the competition.
A. content B. contestant C. pleasing D. satisfying
One of the largest ... found on Earth is the Hoba from southwest Africa, which weighs about 54000 kg.
A. meteorites B. meteoric C. meteors D. meteorite
Often a team of engineers is ...
A. work on one project B. on one project work C. working on one project D. to work on one project
When the man (fall) ... from the window, he (land) ... on the roof of a car.
He has to experience ... before becoming a professional astronaut.
A. astronomy B. astronomical C. astronomer D. astronaut
He has to experience ... before becoming a professional astronaut.
A. microgravity B. microgravitation C. macrogravity D. macrogravitation
To walk on the moon, the astronauts had to carry a suitcase ... contained oxygen.
A. which B. it C. having D. where
Candidates are ... on their ability to think independently.
A. explored B. checked C. evaluated D. witnessed
