None of us can ______ why he did so. It is rather strange.

(单选题)小学英语教学活动的组织，主要应考虑 ______。 (单选题)在义务教育阶段，从3年级开设英语课程的学校，6年级结束时应完成 ______ 级目标。 (单选题)—Will Mr. Green allow us to bring mobile phones to school?—H (单选题)Schools should be lively places where individuals are encour (单选题)The fresh air in the morning is pleasant ______. (单选题)—When can I call on you, afternoon or evening?—______. I’ll (单选题)—Beautiful sunshine! I hope to stay here longer.—______. Sha (单选题)—Where did you buy the latest map?—It was in the bookstore _ (单选题)—Have you seen the movie the Wandering Earth?—Yes. It’s well (单选题)—Your father looks healthier than before!—Yes. He used to __