问题补充:
. Dr. Smith, together with his wife, visit Beijing this summer.
A. is going to
B. are going to
C. was going to
D. were going to
答案:
(答案→)A. is going to
B. are going to
C. was going to
D. were going to
解析:本题的含义是史密斯医生和他的妻子今年夏天打算到北京去,表示计划可用be going to,本题主语的关键词是史密斯医生,为单数,故用is,故本题选A。