--- I'm sorry to have kept you ________ here so long.
--- Not at all.
-Can they play the guitar?
-No, ________.
Excuse me.Is that girl's name Betty?
Yes,________.
--Have you finished reading“Harry Potter V”?
-- ________. I still have some pages.
-________ did Tom came to China?
-In 2003.
-Is Mary at school today?
-No, she is at home ________ she is ill.(生病)
-What are the shoes with adjustable heels used for?
-They are used to ________ the style of the shoes.
-Where ________ your pen pal live?
-He ________ in Tokyo.