31. If we took the 6:30 train, we______ too early.
a. would have arrived b. will arrive c. arrived d. would arrive
32. If I had known you were in hospital, I ______ to see you.
a. will go b. would go c. went d. would have gone
33. If I______, I would have said hello.
a. had seen b. saw c. see d. would see
34. If there______ the rice fields could have been more productive.
a. had been enough water b. were enough water
c. would be enough water d. are enough water
35. The patient could not recover unless he ______ an operation.
a. had undergone b. would undergo c. underwent d. undergoing
36. If he ________ her, she would be very happy.
