【正文】
( ) ( ) ( ) ( ) ( ) ( )2. Listen and tick or cross. 聽(tīng)音,判斷。 She is / They are dancing. He is / They are cooking. She is / They are riding a bike. He is / They are watching TV. He is / They are making a plane. She is / They are playing football.5. Look and tick or cross. 看圖判斷。 is: 用于單數(shù),表示只有一個(gè)。are: 用于雙數(shù),表示兩個(gè)或兩個(gè)以上。1. 2.1. The tigers are sleeping. ( ) zebra is riding a bike. ( ) 3. 4. snakes are eating. ( ) tu