Unit 4 Period 1 A 略 B a2 b6 c5 d3 el f4 C 1a 2c 3b 4b 5a D 1T 2F 3T 4T 5F E 1 safety, safely 2 eat, drink 3 her 4 follow 5 children F 1T 2F 3T 4F 5F Period 2 A 略 B 1b 2b 3a 4a 5a 6b C 1 take 2 must 3 students 4 mustn't D 1 mustn't/shouldn't/can't 2 can 3 mustn't, walk, quickly 4 mustn't, run, skate ［www.Puxue.Com资料］ E 1 looking for 2 Look at 3 looks after 4 Look out 5 look out for F 1b 2c 3c 4c Period 3 A 略 B 1b 2a 3c 4a 5a C 略 D 1b 2a 3a 4b 5c E 64231587 F had, arm, but, near, busy, wide, at, careful, traffic, rules Period 4 A 略 B policeman, rnles, carefully, road, street, look, right, green, quickly, play C 1 stops 2 traffic 3 keep 4 mustn't 5 drivers 6 rules D 1 can't/shouldn't/mustn't walk 2 in the brary/on li the metro/in a bookshop; we can't/shouldn't/ mustn't eat or drink there 3 in the s甘eet/on the road; we can't/shouldn't/mustn't tum left 4 in the brary/reading li room; we can't/shouldn't/mustn't talk loudly there 「wwW.puXue.com资料」 E 1e 2a 3b 4a 5b F
Checkout for Unit 4 A 1b 2c 3b 4c 5a 6 c B 1a 2a 3c 4b 5a 6b C 1T 2F 3T 4F 5T D many, get, wear, eat, drink, keep,clean, ball E 1 safely 2 mustn't, safe 3 safety 4 easy 5 easily 6 Can can' 7 Must F c, d, b, e, a G 1 He's riding a bike on the road. He mustn't ride on the road. 2 She's reading on the road/when she is walking. No, it isn't. 3 He's crossing the road when there is a red man. He should stop and wait for the gieen man. H 1 listens to his teachers 2 eat too much sweet food 3 played football happily 4 feels sleepy 5 look out for 6 finishes her work 7 has a healthy diet 8 play or run I 1 What, do 2 Who 3 couldn't, ride 4 Can, read 5 What, are, doing J 1 We should test the pool's water temperature first. 2 We should go swimming with a man. 3 We could hurt them. 4 It means “救生员” 5 We should find out the depth of the water first. We should wear a life jacket, read all of the signs and make sure there's a lifeguard. k 1T 2 F 3 T 4 F 5 T L
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