(2013·大纲卷)I got to the office earlier that day, the 7:30 train from Paddington.
. 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.
. . The chair looks rather hard, but believe it or not, it is very comfortable _____.
. It was _____ his mother came in _____ to prepare his lessons.