You can hardly imagine the difficulty the woman had ______ her children.
You can go out, ______ you promise to be back before 10 o’clock.
You have made a few mistakes in spelling but _______ you have done a good job.
-It’s my treat today. Is there any particular meal you would like to have? - ________ you choose is all right with me.
Since I don’t like surfing the Internet, shall I go to the library instead _____ the information we need?
That company is said ___________ a new kind of robot in their production last year.