Раскройте скобки, употребив необходимое по смыслу время (Simple Past, Present Perfect):

Раскройте скобки, употребив необходимое по смыслу время (Simple Past, Present Perfect): 1. The first lot of chemical equipment (to arrive) yet? Yes, we (to receive) a cable from the port that the goods (to arrive) on the 20th of December. 2. Our engineers (to consider) the technical information of the order, however, they not (to give) their final answer yet. 3. When the sellers (to ship) the remaining goods? They (to ship) the goods last week. 4. We just (to receive) some information that the world prices of compressors (to increase). In this case we shall not be able to give a discount off the price. 5. Our office (to open) a letter of credit with the London Bank last week. However, we just (to receive) a cable from the sellers. They write they not (to get) any information that we (to open) a letter of credit. 6. We (to settle) a few points as regards the delivery of the goods since the representative of the firm (to come) to Moscow.