1) goes; 2) is talking; 3) love; 4) doesn't like; 5) is sleeping; 6) is studying; 7) is; 8) is watching; 9) hate; 10) pay; 11) leaves; 12) am leaving; 13) freezes; 14) is boiling; 15) plays; 16) is playing; 17) say; 18) rains; 19) is raining; 20) get up; 21) suits; 22) does; 23) goes; 24) are having; 25) does; is helping; 26) are going; 27) enjoys; 28) see; 29) is waiting; 30) rings; take; 31) is writing; 32) detest; 33) cuts; 34) is cutting.
ответ: 400г воды нужно добавить к 100г 25%раствора аммиака,чтобы получить 5% раствор
take off, put on
will have been taking them? (active future perfect progressive) 3. two people (arrest) last night. two people were being arrested last night. (passive past progressive) 4. the computer broke down yesterday, but now it's ok. it (work) again. it (repair). the computer broke down yesterday, but now it's ok. it has worked again. (active present perfect) it had repaired. (active past perfect)
5. the man next door (disappear) six months ago. nobody (see) him since then. the man next door had disappeared six months ago. nobody had seen him since then. (active past perfect) 6. the room looked nice. it (clean). the room looked nice. it is cleaning. (active present progressive) 7. there's somebody walking behind us. i think we (follow). there's somebody walking behind us. i think
we are following. (active present progressive) 8. a mystery is something that can't (explain). a mystery is something that can't will have been explaining. (active future perfect progressive) 9. i'm sure that by the time we come to the theatre, all the tickets already (sell). i'm sure that by the time we come to the theatre, all the tickets already had been sold. (passive past perfect)