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Exercise 7
in many
1. Baby carriers and digging sticks
cultures today are examples of the earliest tools used by humans.
A. that are still using
C. still used
2.
B. which still used
D. still using
..that increasing numbers of compact-disc players
will be bought by consumers in the years to come.
A. They are anticipated
C. Anticipating
B. In anticipation
D. It is anticipated
that our Milky Way, and other similar galaxies,
3.
contain stars of varying ages.
A. Astronomers now
C. Astronomers now believe D. The belief of astronomers
4. The organs of taste are the ..
located on the tongue.
B. Now astronomers believing
.. which are mainly
A. taste buds, groups of cells
B. group of cclls, are taste buds
C. group of cells, taste buds are
D. taste buds, these are groups of cells
5.
relations with friends and acquaintances, play a
major role in the social development of adolescents.
A. What are called peer group relations are
B. Peer group relations are
C. Peer group relations
D. By peer group relations, we mean.
6. Socictics must often adapt to changes .
economic factors.
political or
A. which may be brought on by
C. for bringing on
7. Birds make nests in trees
leaves and branches.
B. to which are brought
D. can be brought by
..... hide their young in the
A. can where they
C. where can they
8. Despite the fact
Christian Anderson's fairy tales are still popular with children
around the world today.
A. when they first appeared B. that first appeared
C. appearing first
B. where they can
D. where ca
...over a century ago, Hans
D. that they first appeared