英语翻译i don't know when she (will return ),but when she (retur

英语翻译
i don't know when she (will return ),but when she (returns ),i (will let )you know
we ( will send )for a doctor if you ( are )not better in the evening.
wait here piease,and i ( will be ) back soon
the train ( is )about to leave,( has )he( got )to the station in time.
if there ( is )no water ,there ( will be )no living things on the earth.
how long ( do )you (think )this fine weather ( will last
my parents ( will give )me a present for my coming birthday.
the sky turns black,i think it ( will rain )soon.
next time i go there ,i ( will visit )them.
you ( won't have )classes this afternoon because your teacher is ill in hospital