询问并描述他人行为 — 英语填空题
题目
情景填空:放学时,Amy看见很多纸屑在地上,于是她正在把它们捡起来。Ben走过来想帮她搬箱子,箱子很重。请根据情景,用所给动词的正确形式填空,每空一词:
(1) Look! Amy ___ (pick) up the litter on the ground.
(2) — What ___ Ben doing over there?
— He ___ (help) his classmate carry the heavy box.