My father is a teacher______ the Beijing International School. [ ]

”It’s five forty-five”means(意思是)”It’s ___________.”

Li Lei can’t go hiking with us today,because he take care of his sick mother.

Lucy often goes to school _____ eating breakfast. It’s bad for her health.[ ]

Must I hand in my exercise book now, Mr. Zhao?—No, you ______. You may give it to me tomorrow.