听音,补全句子。(12分)
(1)John is ________ in the river.
(2)—Is Ann ________ ________ ________?
—Yes, she is.
(3)—What is your ________ doing?
—He is ________ ________ ________ .
听音,补全句子。(12分)
(1)John is ________ in the river.
(2)—Is Ann ________ ________ ________?
—Yes, she is.
(3)—What is your ________ doing?
—He is ________ ________ ________ .