填空题 A(n) ______ computer system is an open door to criminals.

填空题 There are various ______ open to you.

填空题 Success in the talks will ______ his reputation as an international statesman.

填空题 The ______ teaching methods include letting the children decide what to study.

填空题 Drawing and singing were among her many ______.

填空题 You should be ______ of yourself for telling such lies.

填空题 We'll send you a copy as soon as it becomes ______.

填空题 There must be some form of external ______ of the data.

填空题 The conference will address the broad issues ______ with e-commerce.