问题
选择题
A number of foreign visitors ______ Chengdu many times because it is such a beautiful city.
A．have been to
B．has been to
C．has gone to
D．have gone to
答案
答案：A
题目分析：句意：因为成都是一个美丽的城市，所以有许多外国人已经参观了多次。分析句意体现了现在完成时，许多外国人已经来过成都用have been to (曾经去过某地),同时a number of 同义于a lot of，因此主语可数名词复数，助动词用have,故选A