Choose the best answer A, B, C or D

Giúp mik vs ạ
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Question 16: Tell the mechanic that the
was making a strange grinding noise
A. lamp
B. engine
C. table
D. door
Question 17: She wasn't talking constantly in class in those days,
C. was she
and bounds this year.
C. points
of the workers' loyalty to the company.
C. labourers
A. did she
B. isn't she
D. doesn't she
Question 18: IHer Spanish has improved in
A. leaps
Question 19: The unions assured the new
A. lawyers
B. risks
D. parts
owners
D. employees