他主修计算机科学，因为他对编程充满热情。

He chose computer science as his ___major because of his passion for programming.

这所大学的重点专业是工程学和计算机科学。

The university's ___majors are engineering and computer science.

这位少校负责指挥整个营。

The ___major is in charge of commanding the entire battalion.

今年的大事包括奥运会和总统选举。

This year's ___majors included the Olympics and the presidential election.