Choose the underlined part that needs correction in each of the following questions.
Câu 1: The result of that test must be inform before August.
A. result
B. must
C. inform
D. before
Câu 2: Jack London was a very famous novelist who works have been widely read.
A. a very famous
B. who
C. works
D. widely read
Câu 3: It is necessary and required that dental technicians and others who work with X- rays limit their exposure to these highly penetrating rays.
A. and required
B. and others
C. their
D. highly penetrating
A.
B.
C.
D.