You are driving me mad,Jack! My patience is ________.
. It wasn’t long before they found that there was much trouble ___ the plan.
. Have you got any books ____ problems with children?
. If we want to succeed we must ____ what we do and who we are.
. I’ll do everything in my _____ to help you out.
If only he _____ in time tomorrow, I’ll take him along to Beijing.