三分钟1.Excuse me,do you have the time?________A,Yes,I do B,Of

1.Excuse me,do you have the time?________
A,Yes,I do B,Of course I have
选A.原因：回答问题时应用助动词.而问句中的助动词为do.所以选择A.
PS：若B改为Of course I do则可选.
2.Mr Smith is searching the Internet to find out_____
A,what will the next Expo be held for
B,how many countries will take part in the next Expo
选B.原因：从句要用陈述语序.而A是疑问语序.所以选B
PS：若A改为what the next Expo will be held for则可选
本人亲自解题

B 交际用语，一般不会简单的使用Yes, I do 这样的回答方式
B find out的宾语从句，语序应该是陈述语序

b 交际用语
b 陈述句,A是疑问语句

A,Yes,I do B,how many countries will take part in the next Expo