1 The teacher is ____the new students ____(领.参观）our school .2Where is Sally?She is eleaning the blackboard ______ ______ ______ ______(在.后面）the classroom.3 Look some students_____ ______(坐）under the tree.4Do you often______ ______ _____（写信）your friend?5 What's the boy doing?He ______ ______(正在画）a cat on the blackboard.
问题描述：
1 The teacher is ____the new students ____(领.参观）our school .
2Where is Sally?She is eleaning the blackboard ______ ______ ______ ______(在.后面）the classroom.3 Look some students_____ ______(坐）under the tree.4Do you often______ ______ _____（写信）your friend?5 What's the boy doing?He ______ ______(正在画）a cat on the blackboard.
答