用所给单词的适当形式填空。 |
①Tom and I _____ ( be) brothers. ②Those _____ ( be) my grandparents. ③What ______ ( be) these? ④ ______ ( this) are my friends Li Lei and Lin Tao. ⑤Those are my _____ (key). ⑥Are these your _____ ( book) ? ⑦That's _____ ( he) brother. ⑧_____ ( be) you Mary? |