1、 4.1b 1 He is hopping.2 She is running.3 She is swimming.4 They are fighting.5 He is eating.6 He is sleeping.1 He is hopping.2 She is running.3 She is swimming.4 They are fighting.5 He is eating.6 He is sleeping. 4.2b 1 The dog is running.2 The man is sleeping.3 The boys are hopping.4 The turtle is
2、swimming.5 The birds are eating.6 The girls are fighting.1 The dog is running.2 The man is sleeping.3 The boys are hopping.4 The turtle is swimming.5 The birds are eating.6 The girls are fighting. 4.3b 1 How many tigers are thereThere are four tigers.What are they doingThey are sleeping.2 How many z
3、ebras are thereThere is one zebra.What is it doingIt is running.3 How many monkeys are thereThere are three monkeys.What are they doingThey are climbing.1 How many tigers are thereThere are four tigers.What are they doingThey are sleeping.2 How many zebras are thereThere is one zebra.What is it doingIt is running.3 How many monkeys are thereThere are three monkeys.What are they doingThey are climbing.
