10) Мы только что получили письмо о

10) Мы только что получили письмо от Джека. Последнее время он часто звонил нам. Он собирается приехать скоро. Он уже купил билеты.

Results (English) 1:

10) we just received a letter from Jack. Last time he often telephoned us. He is going to come soon. He had already bought tickets.

Results (English) 2:

10) We have just received a letter from Jack. Lately, he often called us. He's going to come soon. He had already bought the tickets.

Results (English) 3:

10) we have just received a letter from jack. the last time he often called us. he is going to come soon. he had already bought tickets.