注意：此页面搜索的是所有试题
题目内容
（武汉科技 大学英语）
______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.（1分）
ATo wait
BHave waited
CHaving waited
DTo have waited
ATo wait
BHave waited
CHaving waited
DTo have waited
参考答案
