Her son ____ study English as his major the moment he has fi
5个回答

选C

Her son is to study English as his major the moment he has finished high school.

高中毕业的时候,他决定今后选择英语作为自己的专业.

is to 表示将要

从时间长短来说

be about to < be going to < is to

be about to 可能是一个小时内发生的事情

be going to是一两天内的事情

is to 没有大概的限制,更合题意.

希望我的回答能对你有帮助.

谢谢o(∩_∩)o