Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Telecom giant Viettel decided to implement the 5G network _____ his technology was still uncommon.
A.because
B.in spite of
C.although
D.because of
Telecom giant Viettel decided to implement the 5G network _____ his technology was still uncommon.
A.because
B.in spite of
C.although
D.because of
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Hóa Học lớp 12
