根据对话情景和内容,从对话后所给的选项中选出能填入每一空白处的最佳选项,选项中有两个为多余选项。
— How can I help you?
—    【小题1】   
— Would you like to send it surface or airmail?
—   【小题2】  
— If you send the parcel with surface email, it will take about 2 months to arrive, whereas with airmail, it will arrive in one week or more.
— That’s a big difference. 【小题3】　 How much will it cost to send it airmail?
— That depends on the weight. Place it on the scale, please.
— OK.
— That’s 300 grams.     【小题4】   
— That’s not bad. I’ll do that then. Does that include insurance on the contents of the parcel or is that a separate payment?
—     【小题5】  It’s another 5 pounds.
— OK.

A．I suppose airmail will be much more expensive.

B．I want to buy some stamps.

C．I’d like to send this package to China.

D．That’s separate.

E. That’s all right.
F. What’s the difference between surface and airmail?
G. It will cost 10 pounds for airmail.