The correction of sentences

0Can we say,02br
02br
001 The author launches a book fair.02br
02br
002 His hobby is rearing pets.02br
02br
003 He likes keeping toys car / toy cars.02br
02br
004 He saw a blind man wanted / want to across the road.02br
02br
005 Bees are flying on / over the flower.02br
02br
006 They started to feel hungry.02br
02br
007 She help them to sign (the) autographs.02br
02br
008 She signs autographs to / for / with the fans.02br
02br
009 She signs her name on her autographs with her fans.02br
02br
0010 They can take her autographs.02br
02br
0011 Many people get autographs from her.02br
02br
0012 The company launches new book fair / new books for her.02br
02br
0013 When she has finished her work, she will send her scripts to the publishing company to be published.02br
02br
0014 Before the show is started at 8 p.m. , all contestants were calm. (should I put "comma" after 8 p.m.?) 02br
02br
0015 The flat has eleven storeys / stories.02br
02br
0016 They like to play (with the) jigsaw puzzle / puzzles.02br
02br
0017 They don't like to eat dried / dry chillies.02br
02br
0018 He had a stomach ache / stomachache.02br
02br
0019 Please contact her on-line / online / through phone.02br
02br
0020 The man wears a helmet to protect his head when he rides (on / in /at /onto) (the ) motorcycle.02br
02br
0021 The truck gives out some / many / plenty (of )dirty smoke.02br
02br
0022 They heard a noise / some noise from the kitchen.02br
02br
0023 His motorboat /motor boat can move very fast with a good engine.02br
02br
0024 His motorboat /motor boat can move very fast because it has a good engine.02br
02br
0025 I had gotten a free golf lesson02br
02br
0026 We were given four free on meal vouches.02br
02br
0027 He was happy on / in / at the night.02br
02br
0028 The motorboat moves fast which has a good engine.02br
02br
0029 We were getting hungry after a half hour.02br
02br
0030 We need a helmet to protect our head when we are riding on a motorcycle.02br
02br
0031 We put on the seat bealts when ./ while we are in the car.02br
02br
0032 He puts on the jacket on / in cold weather.02br
02br
0033 He watches the cartoon show every night.02br
02br
0034 They like to read her book when they have free time.02br
02br
0035 They like to read books at / on / during the free time / times. 0-