1) We ( sent) you our letter last mouth but we (have not received) an answer from you yet.2) We ( discussed) the terms of the contract yesterday.3) ……Have…. your managers ( clarified) all the matters yet?4) The plant (was) heavy with orders last year.5) ……Have…. you ever ( bought) the telephone equipment from Germany?6) I (have not meet) him yet.7) We (have signed) this contract lately.8) His secretary ( called) you a minute ago.9) They ( received) a telephone massage from Sweden last night.10) Our team has just ( finished) the talks on starting new production.