填单词 急They are ___ about their lessons.

填单词 急They are ___ about their lessons. They are ( ) about school lessons They sat there,___ about their lessons .A.talked B.to talk C They are talking about their studies___the phone.填介词什么 They are very b----- with their lessons on w----- They are very (b )with their lessons on (w ). They are talking about their group p_____. 急!___(who)toys are these ?they are ___(i).填什么?为什么? are these （their） tickets为啥填their NO,they are not （their）为啥填 they both study hard and are ____ at their lessons well good They are ___ your feet.填什么? They are talk about their presents.（改错）