单句语法填空
1．I am not accustomed to ___________ (interrupt) when studying or working, so please remember this and don’t do it again.
答案：being interrupted
2．The headmaster hurried to the concert hall, only ___________ (tell) the speaker had gone.
答案：to be told
3．The escaped prisoner got ___________ (arrest) immediately he turned up at the railway station and was sent to prison again.
答案：arrested
4．There were so many cars held up by the heavy rain on the road that we had no alternative but ___________ (wait)．
答案：to wait
