完成下列对话，（每空一词）

A: Hello! I’d like to speak to Michael .

B:This is Michael speaking. Oh, Darren! How are you ?

A: Fine . I was so glad to _(1)______your postcard . While you were enjoying your trip, I was busy .But now I’ll have a vacation .

B: Darren , would you like to come to China ___(2)__your vacation ?

A: You bet . I’d like to .That would be very nice ,but I’m afraid that it _(3)________too much .

B: Mm ,don’t worry. My parents would like you to stay at my house.

A:Your parents are so kind. Please say _(4)_____to them . Where shall we go then ?

B: I know you are an explorer .Why not __(5)___ our bicycles to explore Beijing ? It would be great fun .

A: Good idea ! See you soon .

1773年，英国第一家证券交易所在伦敦柴思胡同的乔纳森咖啡馆成立。