6. The TA is going to explain the test today. 助教 (Teaching Assistant) 今天会来讲解考题.
Explain 就是讲解的意思, 所以 explain the test 就是讲解考试题. Explain the homework 就是讲解作业. 另外, go over 也有讲解的意思, 例如, "The professor will go over the test today." 再次强调, 不管是考试或是考试卷, 都用 test 这个字来表示就好了.