Nothing could be done at the meeting, the chairman_____ absent.
We didn't know you were in trouble at that time, ________ we would have given you a hand.
______ surprised the family most was ________ the girl played basketball very well.
_______ in the jungle, the explorer had little hope to find his way out.
Many students urged that the school readingroom ________ open during the vacation.
The thief turned the whole house ________ looking for money.