---WhereisTom?　　　---Hehasn'tcometoschooltoday.Ithinkhe

问题详情：

--- 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。本题主要考查情态动词。汤姆今天没来上学，他可能是生病了，也有别的可能。所以只能是一种推测。故应选C。

知识点：情态动词

题型：选择题