选择题where is Ann?she in the library A.must be B,can be c.will be d,would be
问题描述：
选择题where is Ann?she in the library A.must be B,can be c.will be d,would be
答
A
仅供参考
can 或者can be 表示推测时,一般只用于疑问句和否定句,如：
Can he be Mr Green?
He can't be in the room now.
Can /Could it be true?
肯定的推测用must或must be
He must be in the room now.