Every exercise ______ on a different grammar point. You should go over the main points of the grammar rules related before you work each of them out.
A.focuses |
B.puts |
C.depends |
D.counts |
推荐套卷
Every exercise ______ on a different grammar point. You should go over the main points of the grammar rules related before you work each of them out.
A.focuses |
B.puts |
C.depends |
D.counts |