Question

After the summer vacation, the professor, together with his fellow teachers, ______ the scientific experiment

A．goes down

B．go down

C．gets down to

D．get down to

Answer 1

C

考查主谓一致。together with连接两个主语时，谓语动词取决于前者，get down to 开始认真做某事。句意：暑假之后，这位教授和他的同伴老师们开始专心于科学实验。故选C。