--- Whose book is this ?---It _____ Tom’s . There is his name on it .A. can’t be B. must be C. can be
Which of the underlined part has a different sound划线发音不同?
They like ______ after school.
---- Are these your _______? ---- Yes, they’re my uncle’s sons.
Look! Some beautiful birds 鸟 are ______ the tree.