had to be,was to be,must have been,should have been;-找考题网

单项选择题

A．had to be
B．was to be
C．must have been
D．should have been

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热门试题

单项选择题A．behalfB．loveC．reasonD．sake

单项选择题A．I had ratherB．I would ratherC．I had betterD．I would had better