giúp ạ
----- Nội dung dịch tự động từ ảnh -----
18. The contents of the contract
A. have changed
C. has changed
19. Diabetes
A. are
20. Neither my roommate nor my parents
A. is
B. will
recently.
D. changed
an illness caused by too much sugar in the blood.
B. is
C. was
21. Either my mother or I
A. do
B. does
22. An enormous number of photographs
A. is
B. are
23. Up to now, the number of Congress members
A. is
B. has been
24. Mathematics
A. was
25. The variety of magazines on sale today
A. seems
B. is seemed
26. Sixty percent of the work force
B. were
A. was
D. were
going to vote for the election next week.
Care
D. be
breakfast each morning.
B. change
C. make
taken last midnight.
C. was
C. was
not always an exact science.
B. is
C. seem
absent today.
C. is
D. were
approximately 400.
C. be
amazing.
D. makes
D. have been
D. seemed
D. are
D. are