问题
“Where is Tom?”–“He hasn’t come to school today, I think he ______be ill.”
A:has to
B:should
C:may
D:can
B:should
C:may
D:can
正确答案是：
同类题型
The classroom is _________ clean _______ it was yesterday. ——Sorry, I forgot to clean it.
______ Mary found her lost pen the day before yesterday?
My name ____ Jack. Liu Ying and Sun Mei ____ my friends.
She ______to them about her age in order to get the job.
Jim was too __________to say anything to his wife when he heard the ________ news.