问题补充:
— He, together with his parents going to visit Shanghai in July. How about you?
— Im afraid I have to stay at home __.
A. are; on my own
Bis, by myself
C. is; by my own
D. are; on myself
答案:
A. are; on my own
(答案→)B. is, by myself
C. is; by my own
D. are; on myself
解析:就进原则与by oneself的用法。介词with后的谓语动词应和它前面的主语he一致,故A,D错。by oneself是“独自”的意思。故选择B。