We have four English lessons a week.这里的a week是什么成份?

We have four English lessons a week.这里的a week是什么成份? We have four English lessons a week.空白处填A.every B.on C.\ We have four English lessons a week（改为一般疑问句） how many english lessons do we have a week?--------six. We have four English iessons in a week是什么意思 英语翻译How many English lessons do we have in a week We have fo 1 ,In a week we have English lessons every day except W----- 1.We have ( three) English lessons in a week.2.It's ( Wednes We have English lessons two times a week at the evening scho we have three English classes a week We have three h____ lessons a week at school . We have Engling lessons two times a week