( C)1.black Agrade B watch Cfamily
(A ) 2.thank Apencil B english Cnice
( B) 3.dress A behind B twenty C eraser
( B) 4.colour Aour B teacher C your
(C )5.name Aapple B after C game
(B ) 6.down A know B how C window
(C ) 7.under A student B ruler C must
( A) 8. son A come B one C clock
(A ）9.spell A question B behind C excuse
(A )10.sister A english B hi Cright