问题
单项选择题
While he was in Beijing, he spent all his time ______ some important museums and buildings.
A．visiting
B．traveling
C．watching
D．touring
答案
参考答案：A
解析： visit指“访问，参观、拜访人、参观地方或事物的行为或例子”。如：I visited museums and sat in public gardens. 我参观了博物馆，还在公园里坐过。travel和tour表示“旅行”；watch意为“观看，注视”。因此，根据句意应选A。