Next year my little sister ___ten years old.A.is to be b.is going to be c.shall be c.will be为什么不选b?
问题描述：
Next year my little sister ___ten years old.
A.is to be b.is going to be c.shall be c.will be
为什么不选b?
答
应该选a
b错.因为be going to 用在通过迹象表明势必发生的推测.这里没有迹象.比如it is going to rain.有云
的迹象啦.
c错,shall表示主观的意愿,一般翻译为：要是……就好了.
d错,will表示将来是自愿的.I will come.