A.to ![]() | B.with ![]() | C.at |
A.to do | B.do | C.doing |
A.What are you doing? | B.Where are you? |
A.What's Xiaohui doing? | B.Is Xiaohui at home? |
A.He's listening to music. | B.He likes listening to music. |
A.她正在和她的妹妹说话。 | B.她正在陪她的妹妹看电视。 |