Измените глагол в предложениях в зависимости от обстоятельств:
His sister (develop) new alloys at the research laboratory
1. all the morning today; 2. five years ago; 3. every year;
4. for several hours next week;
5. before we came to help her yesterday.
Ответ
0
1/ has been developing
2/ developed
3/ develops
4/ will have been developing
5/ had develped
2/ developed
3/ develops
4/ will have been developing
5/ had develped