He has been swimming for an hour对“for an hour”提问
He has been swimming for an hour对“for an hour”提问
she has been wait for an hour she has waited for an hour 二者的
The meeting has been on for half an hour.(划线部分提问,划for half a
Lucy has been in the phone for half an hour.
The film has been on for an hour It ___half an hour ____the
we play basketball for an hour every day 对for an hour提问
They go running for half an hour 对for half an hour 提问
Peter watches TV for an hour every day.[对for an hour提问] [ ][
l listen to music for an hour every day .对 for an hour 进行提问
We are going to read for an hour.对for an hour提问
We were there for an hour.(对for an hour提问)
they walker for an hour.对for an hour提问 机