A．mustB．mightC．can

材料题请点击右侧查看材料问题 查看材料A.mayB.mightC.canD

材料题请点击右侧查看材料问题 查看材料A.mustB.doesC.mayD

【C16】A．mustB．mayC．canD．might

【C10】A．mustB．shallC．canD．ought to

【C3】A．mustB．have toC．shouldD．had better

63._________A.. mayB. mightC. canD. could