当你想问“你在做什么？”的时候，你应该说：__________________A. Who is she ?B. What is he doing?C. What are you doing ?
看图，选择句子回答问题。
看图，选择相应的单词，填序号。
He can ____ Chinese. A. say B. tell C. speak
I ___ a robot.A. has B. have C. having
____ are hard-working. A. They B. Is C. Am
粤公网安备 44130202000953号