A. FORGETTING B. MEMORIZING C. IMPROVING D. LEARNINGĐỀ 30ARE THERE...

10. a. forgetting b. memorizing c. improving d. learning

ĐỀ 30

Are there intelligent (1) _____________ on the other planets in our solar system?

Maybe there are. In our (2) _________ galaxy there are millions of stars. Some must

have planets with (3) __________ like those on the earth. (4) ________ in space there

could be other thinking beings. They would probably look (5) ___________ different that

we might not (6) _____________ them as people. However, (7) ___________ their

planet is older than our planet, they may know more than (8) ______. They may have

more progress ( 9) _______ some aspects. They may be traveling in space and be (10 )

__________ human beings.