Розкрийте дужки, вживаючи дiэслова у past perfect continuous. 1. i (to do) my lessons for an hour when my parents came. 2. he was tired as he (to play) badminton for severai hours. 3. she (tp sleep) for two hours when we returned. 4. it (to rain) for half an hour when i left home. 5. the weather was cold as the severe wind (to blow) since yesterday. 6. who (to wait) for you at the station for a quarter of an hour when you arrived? 7. how long you (to watch) television when your mother enfered your room? 8. she (to take) the bath for ten minutes when i rang her. 9. they (to swim) in the swimming-pool when mother appeared. 10. since when you (to clean) your flat when your granny came home?

1. i had been doing my lessons for an hour when my parents came. 2. he was tired as he had been playing badminton for severai hours. 3. she had been sleeping for two hours when we returned. 4. it had been raining for half an hour when i left home. 5. the weather was cold as the severe wind had been blowing since yesterday. 6. who had been waiting for you at the station for a quarter of an hour when you arrived? 7. how long had you been watch television when your mother enfered your room? 8. she had been taking the bath for ten minutes when i rang her. 9. they had been swimming in the swimming-pool when mother appeared. 10. since when had you been cleaning your flat when your granny came home?

ответ:

i would like to tell you about the advantages and disadvantages of smartphones. we use our phones every day. it is thing we cannot live without in the modern century. smartphones can serve also as a camera, calendar, planner and alarm. we keep in touch easily with our friends and family. you can send them pictures and videos. you can use a smartphone to watch funny videos, listen to the music or play your favorite games. if you have an emergency, you can quickly ask for help.

as for disadvantages, smartphones affect the nervous system and even damage your eyes. the social websites and games can lead to person`s addiction. many people wake up in the morning and check their smartphones first. as you store a lot of personal information on mobile phones, you may have security risks, especially if you lose your smartphone. so you always must remember a correct password to protect all the information.  

ответ:

баскервиль холл – огромная усадьба на болоте. легенда гласит: сто лет назад огромная собака с огненными глазами убила сэра хьюго баскервиля. сейчас собака вернулась! после того, как она убила сэра чарльза, владельца баскервиль холла, все опасаются, что его племянник, сэр генри, также находится в опасности. они просят шерлока холмса и его друга доктора ватсона раскрыть тайну. холмс и ватсон не верят в легенду и подозревают, что за этим стоит человек по имени стэплтон. поэтому, когда сэр генри идет на ужин к стэплтону, они снаружи стоят на страже.