问题
选择题
38. Li Ming, as well as some of his classmates, ______voluntary work now.
A.are doing
B.is doing
C.do
D.have done
答案
答案:B
38. Li Ming, as well as some of his classmates, ______voluntary work now.
A.are doing
B.is doing
C.do
D.have done
答案:B