---WhereisTom?       ---Hehasn’tcometoschooltoday.Ithin...

問題詳情：

---Where is Tom?        ---He hasn’t come to school today. I think he        be ill.

       A. has to      B. should       C. may       D. need

【回答】

C

知識點：情態動詞

題型：選擇題