---Do you know if he will come tomorrow? ----No, but if he , I’ll call you to have a meal together.
---She devoted as much time as she could _____________patients.---So she did.
---I often feel worried about exams. I don’t know ________________it.---Maybe you can ask your teacher for help.
Wearing red makes__ easy_ _us to take action.
--- Which do you like better, tea or coffee?--- I prefer coffee ________milk.
You can never imagine what great difficulty I had _________ your house.