Раскрыть скобки simple past tense или present perfect tense. 1.your contribution to the last project (be) enormous. 2. i (hear) nothing of this sort so far. 3. when you (hear) it? 4. i (speak) to him at the conference. 5. it’s what i always (say). 6. how many times i (tell) you not to bang the door! 7. anyone (ask) for me when i was out? 8. what he (say)? 9. margaret, you (read) my letters! don’t deny it! 10. i don’t know how you (discover) that i (be) there that night. 11. i (come) to you to ask for information. 12. i (speak) to her about it many times. 13. the young man (tear) the envelope, (open) it and (take) out a smallsheet of paper. his hands were shaking a little. 14. i never (hear) the subject mentioned. 15. no, you can’t have another ice cream. you (have) two already. 16. why, you not (change) at all. i (recognize) you the moment i (see) you. 17. i (hear)that flowers (grow) better in shady place. 18. i (mention) the subject once or twice. he (not to be) interested. 19. oh, he (explain) everything: he (be out) when you (phone). 20. i wonder what (happen) there since we (leave)?