( ) Your schoolbag is heavy. ( ) Good idea! ( ) Let's clean our classroom! ( ) My friend is quiet. ( ) What's in it? ( ) They're my friend's story-books! ( ) She speaks English well.
( ) Do the flowers drink water? ( ) Do you know anything about water? ( ) Thank you, Wu Yifan. ( ) People drink water and washes clothes with it. ( ) Yes, of course. I water my flowers everyday.
( ) The leaves are colourful. ( 1 ) Which season do you like best? ( ) I like winter best. ( ) In Canada I like fall best. ( ) We play in the snow. ( ) The sky is very blue.