!英文高人请进.,/././.1they ..(lock).. up all the doors when we rea
!英文高人请进.,/././.
1they ..(lock).. up all the doors when we reach the hostel
2mr chong..(work)..here again after he is discharged from hospital
3.I am sure doris _________(return) to Hong Kong by the end of this month
只可用future continuous tense or future perfect tense or futur tense