Tom looks so pale today．He __ ill. A．must be B．had to be C．should be D．shall be
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请在第_____处填上正确答案。 A．upset B．bothered C. excited D．annoyed
海德提出的态度改变理论是。 A．平衡理论B．调和理论 C．分阶段变化理论D．认知不协调理论
George did __ than anyone else. A．much work B．more work C．work much D．work more
Bob is __ rude that everyone dislikes him. A．so B．too C．very D．such
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