问题
选择题
—Is it necessary to look up every new word when I come across it in reading?
—No. You ________， because you are likely to guess the meaning from the context.
A．can't
B．mustn't
C．don't have to
D．ought not to
答案
答案：C
题目分析:句意：---当我在阅读中遇到每一个生词的时候有必要去查字典吗？---没必要，因为你有可能从上下文中猜出意思来。A不能；B禁止；C没必要；D不应该。根据句意可知说话人认为没必要这样做，故答案选C。