1．Would you please make up a topic worth ____________(discuss) at tomorrow’s meeting?
答案：discussing
2．The company was deeply in debt and some employees were laid ____________．
答案：off
3．The man was suspected of ____________(give) away the secret to our enemy.
答案：giving
4．I am working on the ____________(assume) that the money will come through on time.
答案：assumption
5．The student who cheats in the examination will be given a severe ____________(punish)．
答案：punishment
6．If I ____________(know) your trouble then，I would have helped you out.
答案：had known
7．I should say your secretary is ____________(lack) in responsibility.
答案：lacking
8．What can we do to urge the lazy children ____________(work) hard at school?
答案：to work
