I.
1.My friend asked, “How can you overcome language barriers when you study abroad?”(CAN)
2.She asked Binh how many there are in the solar system. (THERE)
3.While they were visiting Vu Quang National Park, they discovered many kinds of rare flowers. (WAS)
II. 1.Mr. Smith is a professor of mine.
2.I am standing in front of some children waiting to go inside the gallery.
3.Linda asked Tom why he didn’t invite her to join his astronomy club.
4.They told me they were having a video conferencing that night.
III. 1.B. Life on other planets
2.B. It is vast
3.C. They will help us discover evidence of life on other planets in the near future
4.C. If we found intelligent life forms that we could communicate with
5.A. If there could be other planets out there with conditions similar to Earth's
TEST 2:I.
1.A. True
2.B. False
3.A. True
4.B. False
5.B. False
II.
1.A. Other life in space
2.B. The telescope
3.A. Detect planets orbiting other stars and study their atmospheres for signs of life
4.A. The conditions necessary for life on other planets
5.B. Revolutionize our understanding of the universe and our place within it
TEST 3:I.
1.A. True
2.B. False
3.B. False
4.A. True
5.B. False