I wish to thank Professor Smith,without________help I would never have got this far.(2012·天津,7)
He transplanted the little tree to the garden _____ it was the best time for it.
-----“What did he ask you?” -----“_____ I would be late.”
He had a lot of friends, but none of _____ could lend him any money.
_____ when one loses freedom does one know its value.
He had a lot of friends, none of _____ could lend him any money.