When we visited Hainan again ten years later, we found it changed so much that we could hardly _______ it.
. . He has never travelled out of his hometown, _______ to a foreign country.
. We don’t have to feel curious about him. Actually he leads _______ we ordinary people do.
. We can’t use the bridge now, because it _______.
. --- Shall we go shopping together this afternoon? --- _______. I will be very busy then.
. ________ the absence of any further evidence the police were unable to solve the murder.