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1) If you want to have a lot of money, try ___ a bank.
a) robbed; b) robbing; c) to rob

2) When came nearer I heard somebody ___ the piano.
a) playing; b) play; c) to play

3) The teacher explained ___ that the Sun ___ a big star.
a) to us, is; b) us, is; c) to us, was

4) Uncle Jack has a gentle old horse ____ Pete on his farm.
a) naming; b) named; c) to name

5) She didn't enjoy the party because she was ____ there.
a) to bore; b) boring; c) bored.