单选题 Tom will go to the Great Wall as soon as he ______ to Beijing.
A. will come B. comes C. come

【正确答案】 B
【答案解析】[解析] as soon as是连词词组，连接时间状语从句，意思是“一……就……”，强调主句的动作紧紧伴随着从句的动作发生。主句是将来时，as soon as连接的时间状语从句用现在时表将来时。