下列词语中加点的字，每对读音都不相同的一项是（ ）

Could it be in the restaurant in ________ you haddinner with me yesterday ________ you left behind your keys and wallet

They were so far away that I couldn’t ______ their faces clearly.[ ]

hese doctors and nurses tired, Mr Smith —Yes ________ They have been operating on thepatient for at least 10 hours

This _____ my brother. ______ is my friend.