Would you mind my playing the guitar here—________Do it as you like, please.

Why didn’t you buy the book?— I _____, but I didn’t have the money. [ ]

However, Iran _____ that its nuclear plan is only for peaceful purposes, and continues its nuclear activity. [ ]

The little elephant is afraid to go alone．He always walks _________ hismother．

The old couple were so_____in their chess that they didn’t hear anybody knocking at the door.[ ]