--What are you going to do on your holiday? -- ________
A．I went to Canada．
B．I'm going to buy some books．
C．I am reading a book,
--What color is your skirt? -- ________
A．It's yellow． B．It's expensive． C．It's old．
-- ________ does your father work? --He works in a school．
A．What B．Which C．Where
My sister is ________ TV．
A．watch B．watches C．watching
--Thank you for your help． -- ________
A．Really? B．No，thanks． C．You're welcome．