单项选择题
Dr. Bethune began to work the () he arrived at the front.
A. moment B. place C. way D. reason
单项选择题 He insisted that his brother()the window. It was clear that someone else broke the window.
单项选择题 She won't be afraid as() as you are here.
单项选择题 —Don't forget to come to my birthday party, Mr. Wang. —().
