Вопрос пользователя:
4. She ___(appear) to have a problem now.
5.Not many passanger planes ___(fly) faster than should.
8.He ___(work) very hard this week.
9.It ___(snow)since I got up.
10.All the lights ___(switch on) today.
Илюха отвечает:
4. she is appearing
5.flew
8. has worked
9. has been snowing
10.are switched on