THE INVENTION OF PENICILLIN IS VERY USEFUL BECAUSE IT HAS ... LOTS...

6. - File thứ 1: de_thi_anh_8_232201910
File thứ 1: de_thi_anh_8_232201910

6. The invention of penicillin is very useful because it has ... lots of lives.

A. lost

B. brought

C. saved

D. solved

II. There is one mistake in each of the following sentence. Find and correct it.(4pts)