她很擅长学校的功课么?______ she ________ ________ her school work?
What are these men doing? ____ are drinking. A.They B.He C.She
Are you dancing? No, ____. A.we areB.we aren'tC.we can't
We are ____ the floor. A.mop B.moping C.mopping
Who's that boy? ____. A.His Dick B.He's dickC.He's Dick
What's he doing? He's ____ noodles. A.cooker B.cooking C.cook