When I went to say goodbye to Ann, she ______ the piano.
| A．plays | B．played | C．has played | D．was playing |
-- Come in, please. -- ________.
A. Yes B. NoC. Thank you
--Is this ________ English book?
-- No, it’s my book.
A. heB. sheC. her
-- What’s this________ ? -- It’s a pen.
A. in English B. at EnglishC. English
-- What’s this?
-- __________ English book.
A. It’s a B. It’s anC. This’s a
-- Is tiffs your ruler? -- No, _________.
A. this is B. it isn’tC. it’s not