There has to a well-developed system that can give people a warning when a tsunami is _______ the way.
A.have…in | B.be…in | C.have…on | D.be…on |
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There has to a well-developed system that can give people a warning when a tsunami is _______ the way.
A.have…in | B.be…in | C.have…on | D.be…on |