问题
选择题
— So how long have you been in Beijing?
— Just a couple of days. I’m on a great tour, you know, and I ______ all the places of interest here.
A．visited
B．am visiting
C．have visited
D．have been visiting
答案
答案：C
考查时态。句意：因此你在北京呆了多久？——只有两天、你知道我正在进行一次伟大的旅行，我参观了所有有趣的地方。结合语境可知描述的是现在已经完成的动作，故用现在完成时态，选C。