【正文】
(tr uck) t o car ry oran ges. 8 . — (wh o) noteb ook is t his ? — I thi nk it 39。 s. 9 . T he C D c ould be (Mary ) . Sh e li ke s m us ic . 10 . Th ey thin k yo u a re ( possible) rig ht. valuable trucks Whose Mary39。 ( ) 1 he book m us t be ______ __. A . T om B . T om 39。 s go cli m bi ng , sh al l we ? — Y ou ____ ____ b e jo king! Don 39。 m afr ai d o f hi gh p la ces ? A . m ay B . can C . m us t D . s hould ( ) 13. — Whose dicti on ary is t his ? — It m us t ___ ____ _ Ca rla. I sa w her usi ng it yest erd ay . A . belo ng to B . belo ng C . be belo nge d