Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction.
Câu 1: Fire blight, a common disease of apples and pear trees, can sometimes be controlled with an antibiotic spray.
A. a common
B. apples
C. be controlled
D. with
Câu 2: The Franklin stove, which became common in the 1780s, burned wood more efficient than an open fireplace.
A. which
B. became
C. efficient
D. an open
Câu 3: jewelry is made of plastic, wood, or inexpensive metal, and they may be set with semiprecious or imitation stones.
A. is made of
B. inexpensive
C. they
D. be set with
Câu 4: The main rotor and tail rotor of a helicopter make the same job as the wings, propellers, and rudder of an airplane.
A. of a
B. make
C. same
D. the wings
Câu 5: Natural resources provide the raw material are needed to produce finished goods
A. Natural
B. are needed
C. produce
D. goods
A.
B.
C.
D.