Раскройте скобки, употребив глагол в нужной форме. Basov: Hello, (to be) that "Lake & Co" ? I'd like to speak to

Basov: Hello, is that \"Lake & Co\" ? I\'d like to speak to Mr. Lake. Lake: Yes, Lake is speaking. Basov: Good afternoon, Mr. Lake. This is speaking Basov of \"Avtoexport\". We have seen your new model of cars lately and we are interested in your new cars. Can you send us your offer? Lake: I believe we have sent you our offer, Mr. Basov. Have you received it? Basov: Not yet. When did you send it? Lake: We sent it a week ago, I believe.Basov: Then we must receive it today or tomorrow. Lake: I think so. How many cars would you like to buy? Basov: 5 or 6. Lake: Good. And when do you require them? Basov: In April or in May. Lake: I believe we can ship you the cars in April.