—When will the engineer go to Singapore?—Oh,I don’t know when he ___Singapore.When he ____ Singapore,I will call you.
We usually have our school trip _______ a morning of April.
-What are they talking ________? -I am not sure. Because they are talking ______English, I don't know English .
Ken is Aunt Lucy’s son. _______ birthday is October 3rd.
________ do you like music?
—__________ are the pants? —Oh, the black pants? They are only ten dollars.