Раскройте скобки, употребив глагол в нужной форме. basov: hello, (to be) that "lake & co" ? i'd like to speak to mr. lake. lake: yes, lake (to speak). basov: good afternoon, mr. lake. this (to speak) basov of "avtoexport". we (to see) your new model of cars lately and we are interested in your new cars. you (can) send us your offer? lake: i (to believe) we (to send) you our offer, mr. basov. you (to receive) it? basov: not yet. when you (to send) it? lake: we (to send) it a week ago, i (to believe). basov: then we (must) receive it today or tomorrow. lake: i (to think) so. how many cars would you like to buy? basov: 5 or 6. lake: good. and when you (to require) them? basov: in april or in may. lake: i (to believe) we (can) ship you the cars in april.

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 will you require them?
Basov:  In April or in May.
Lake:  I believe we can ship you the cars in April.