问题
选择题
I believe that these mountains _____ with trees in a few years' time. [ ]
A. are covered
B. will be covered
C. are covering
D. will cover
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I believe that these mountains _____ with trees in a few years' time. [ ]
A. are covered
B. will be covered
C. are covering
D. will cover
答案：B