Question

Yunnan is       colorful     millions of people come to enjoy themselves every year.                                                                      
A. too…to          B. so…that       C. not…until        D, so…but

Answer 1

B

考查固定句型。too... to不能加句子，排除A；so不与but连用，排除D；not…until应该与动作连用，排除C。so... that“如此......以至于......”可以加句子。故选B。