____ marriage is practiced in almost all countries of the world, the customs are quite different from one culture to another.

The article says that the individual, in battle and in marriage, must ______.A．make a unio

If we ______ in this practice, gradually well learn how to express ourselves in English.A．

______ proposals should be put into practice no matter how hard it will be.A．These allB．Al

The marriage ______ took place in the church.A: meetingB: formC: ceremonyD: activity

Attention should______practice in production in addition to theoretical study.A．be also pa

All theories______from practice and in turn serve practice.