___ the project as planned, we’ll have to work two more hours a day.
The lower room was in darkness, but by _____ his way he found the bag.
It was only when her sorrow that Tom looked at her.
Once the poison is _____ , there is no further danger.
---What a large and bright room ! Is it a classroom? ---No, It _____ the students’ reading-room.
I tried to work on, but I was so tired that I could no longer _____ .