________we will have an exam(测试) next we
题型:选择题
问题:
________we will have an exam(测试) next week,_____ we have to go over our lessons.
A.Because, /
B.Because ,so
C./ , /
D.So, so
________we will have an exam(测试) next week,_____ we have to go over our lessons.
A.Because, /
B.Because ,so
C./ , /
D.So, so