题干
I ____ my aunt tomorrow evening.
A：visit
B：visits
C：will visits
D：am going to visit
答案(点此获取答案解析）
D
I ____ my aunt tomorrow evening.
A：visit
B：visits
C：will visits
D：am going to visit
的公比为正数，且
·
=2
，
=1，则
=（ ）
