1．They came to the ____________(结论) that it was a thief who had stolen their diamond necklace.
答案：conclusion
2．She began to explain but I ____________(打断) her.
答案：interrupted
3．That we must ____________(结合) theory with practice is an important principle.
答案：combine
4．Would it be ____________(方便的) for you to leave tomorrow?
答案：convenient
5．Not being punctual is his greatest ____________(缺点)．
答案：shortcoming
