( ) Tim is _____in his class. A. shortest B. shorter C. shorts
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