33. I visited a friend of _____________ in town and then caught a train home.
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34. John will help you with the food when he ______________ cleaning the table.
A. will finish
B. finished
C. finishes
35. I'll call you this evening and let you _____________ how she is.
A. know
B. knowing
C. to know
36. You'd better ______________ fishing if it rains tomorrow.
A. not go
B. not to go
C. not going
37. James ate a big meal _______________ he said he wasn't hungry.
A. if
B. though
C. because