they walker for an hour.对for an hour提问 机
they walker for an hour.对for an hour提问 机
They go running for half an hour 对for half an hour 提问
we play basketball for an hour every day 对for 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)
He has been swimming for an hour对“for an hour”提问
It took me half an hour to look for it.(对half an hour 提问)
for an hour
because they piay basketball for an hour
对l watch TV for half an hour every day中的for half an hour提问用?