___________ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.

1. A.
   Were
2. B.
   Should
3. C.
   Would
4. D.
   Will

____ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.

A. Were        B. Should       C. Would      D. Will

______ it rain tomorrow , we would have to put off the visit to the Yangpu Bridge.

A. Was　 B. Should　 C. Would　 D. Will

________ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.

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________ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.

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