I: 1.D 2.B 3.A 4.B
II:
1.D 2.C 3.A 4.D 5.B 6.B 7.C 8.A
III:
1.visit 2.watched 3.are playing 4.goes
IV:
1.of 2.on 3.at 4.in
V:
1.Which school does he go to?
2.How tall is Lan?
3.What was wrong with you?
4.Where did you go yesterday?
VI:
1.He died in 1997
2.He invented it in the early 1940s
3.He could study underwater life
4.Now we can explore the oceans by using special TV cameras