问题
选择题
—When ______ this activity________ every year?
—It is held in spring every year. [ ]
A. is; happened
B. does; take place
C. is; happening
D. is ; taken place
答案
答案:B
—When ______ this activity________ every year?
—It is held in spring every year. [ ]
A. is; happened
B. does; take place
C. is; happening
D. is ; taken place
答案:B