There has been a collision ___ a number of ？

There has been a collision ___ a number ？

There has been a collision a number of ？

In recent years there has been a ______ increase in the cost of living; many families have

There has certainly been a rise in enquiries______the law, and its from people of all walk

There has been a ______ lack of communication between the union and the management.[2002]A

There has been a______ lack of communication between the management and the union.A．regret