THE DISEASE WAS THOUGHT TO HAVE………….IN AFRICA.A. DISAPPEARED B. DIS...

6. - BAI TAP TRAC NGHIEM ANH 9 PPT

BAI TAP TRAC NGHIEM ANH 9 PPT

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6. The disease was thought to have………….in Africa.

a. disappeared

b. disappearing

c. appeared

d. appearing

c. appeared