As editors,good writing skill is _______________.A.must B.musts C.a must D.musts'
问题描述：
As editors,good writing skill is _______________.A.must B.musts C.a must D.musts'
答
C.
a must 表示一种必须.全句的意思：作为一个编辑,良好的写作技巧是一种必须.