I am ___ China now .A on B in C at

I am ___ China now .A on B in C at Now I ___ with them in Chinese.A.am speaking B.am talking C. I am looking ___ my watch.A.for B.at C.to D.on But now I can speak a little ___ now A .China B.Chinese C .C I am going to play tennis ___ there.A.in B.at C./ I am ___ school.(选择）A.at B.in C.and D.or(为什么?） I am working hard ( ）French.A.at B.for C.in D.on i am () Room606.A:at ,B:on c:in D :behind I am _home _sunday morning.A.at,on B./,in C I am _______ duty this week A.in B.at C.on D.for i am __ duty a.on b.in c.at d.to Taiwan is ___ the southeast of China.A in B to C on D at 希望有