A. couldn'tB. can'tC. mustn'tD. may not— Mr Smith must ……

单项选择题There ______ a football match next Wednesday.

单项选择题— Do you mind my asking you a personal question — ______ , any questions are welcome.

单项选择题______ of the twins passed the exam because they worked hard at their lessons.

单项选择题How happy we are ______ each other here away from home!

单项选择题______ the window. What's happening there

单项选择题______ bad weather we are having! We've never had ______ rainy days.

单项选择题He is so fat that the chair is not large enough for him to ______.

单项选择题有机体对条件刺激和条件刺激相类似的刺激作出一样的反应，巴甫洛夫称之为( )。

单项选择题“先行组织者“教学策略是一种( )的教学技术。

单项选择题按照自我意识发展理论，生理自我成熟的年龄是在( )。