The table tennis room is ________ the first floor.A. in B. on C. under
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
____ they helpful at home? A. Am B. Is C. Are
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