TODAY, MANY SERIOUS DISEASES _____ BY EARLY IMMUNIZATION.A. PREVENT B....

câu 12: - TEST 15'''' ANH 10 KI 2 LAN1 TRAC NGHIEM
TEST 15'''' ANH 10 KI 2 LAN1 TRAC NGHIEM

Câu 12: Today, many serious diseases _____ by early immunization.

A. prevent

B. can prevent

C. can be prevented

D. are preventing