Aby the time i entered my house. 1)had been sent 2)have been sent 3)has been sant 4)will be sent

Adoctor had been sent  for by the time i entered my house.доктора вызвали к тому времени, когда я пришёл домой.объяснения: когда в предложении прошедшего времени в указании времени стоит by (означает к (к какому-то используется время past perfect.например,i had washed the dishes by two o'clock.я помыл посуду к двум часам.если бы в предложении было не by two o'clock, а чёткое указание времени, например at two o'clock, то использовалось бы past simple.похожее правило есть в будущем времени. если в предложении будущего времени в указании времени стоит by, то используется не future perfect.the dishes will have been washed by two o'clock.посуда будет вымыта к двум часам.если бы by отсутствовало и вместо него было просто, например, at two o'clock, то использовалось бы простое будущее время — future simple.

Pioneers heroes - the soviet pioneers who have made feats in days of formation of the soviet power, the great patriotic war. images of pioneers heroes were actively used in the soviet promotion as examples of high morals and moral. the official list of "pioneers heroes" was issued in 1954 with drawing up the book of honor of the all-union pioneer organization of v. i. lenin; books of honor of the local pioneer organizations joined it. however some historians challenge a number of the key facts of official biographies of pioneers heroes, and even the fact of existence of some of them.

Вопросительные: 1. had the rain stopped by 6 o'clock? 2. were we having tea at 5 o'clock? 3. had they been staying at the hotel since may? 4. was i flying to london that morning? 5. had i known mark all my life? 6. did the waiter enter the dark kitchen? 7. did we arrive yesterday evening? 8. was he constantly missing the first class? 9. did i live in the country last summer? 10. had lara been writing with my pen for a week? отрицательные: 1. by 6 o'clock the rain had not stopped. 2. we were not having tea at 5 o'clock. 3. they hadn't been staying at the hotel since may. 4. i wasn't flying to london that morning. 5. i hand't know mark all my life. 6. the waiter didn't enter the dark kitchen. 7. we didn't arrive yesterday evening. 8. he wasn't constantly missing the first class. 9. i didn't live in the country last summer. 10. lara hadn't been writing with my pen for a week.