Which of the following things happened first?
Câu hỏi: Which of the following things happened first?
A Dr. Besser found out what made the children sick.
B Dr. Besser made a list of what the healthy children ate.
C Dr. Besser went to where the apple juice was made.
D Dr. Besser made a list of what the sick children ate.
Câu hỏi trên thuộc đề trắc nghiệm
Reading 5B: The Disease Detective