III. Choose the best answer to each of the following questions.
By the year 2050, computers teachers.
A.replace
B.will replace
C.will have replaced
D.have replaced

A.history
B.biology
C.chemistry
D.mystery

IV. Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
(A) The more better I (B) study about endangered species, (C) the more I worry about (D) their extinction.
A.The more better
B.study about
C.the more I worry
D.their extinction

IV. Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
(A) The more renewable energy sources (B) we use, (C) the more better our living conditions (D) will become.
A.The more
B.we use
C.the more better
D.will become

IV. Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
As (A) people need more land to (B) build houses, they (C) cut down on more (D) forests.
A.people need
B.build houses
C.cut down on
D.forests

A.similar
B.capable
C.different
D.successful

I. Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.change
B.poaching
C.chemical
D.achievement

I. Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.species
B.nest
C.special
D.helpful

I. Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.endangered
B.gorilla
C.global
D.dragon

II. Mark the letter A, B, C, or D to indicate the word that dfffers from the other three in the position of the primary stress in each of the following questions.

A.visit
B.extinct
C.survive
D.evolve