What are you doing ? I am______. A. sing B. singing
She is her friend. A.talking at B.talking to C.taking to
We can see lots interesting things. A.in B.on C.of
But chopsticksdifficult A.am B.is C.are
I’m the______. A.winer B.win C.winner
They_____going to Hainan. A.is B.are C.am