Question

根据句意，用括号内所给单词的适当形式填空。
小题1:The problem is so easy that I have no difficulty        (explain) it to my classmates.
小题2:If you tell him the            (true)，he will be angry.
小题3:You may ask your teacher for help. He will give you a few        (value) suggestions.
小题4:People in the past suffered from hunger and         (ill).
小题5:I invited Sally to my party, but she refused         (accept) my invitation.

Answer 1

小题1:explaining
小题2:truth
小题3:valuable
小题4:Illness
小题5:to accept

试题分析：
小题1:have ( no ) difficulty doing sth. 是固定用法，表示在做某事上有（无）困难。
小题2:the 作为冠词，后面应接名词。根据句意应该是真相的意思。所以应该用truth。但要注意true去掉e再加th。
小题3:value是价值的意思，词性名词。根据句意应该是有价值的建议，所以应用形容词性valuable。
小题4:ill是病的，生病的意思，形容词；根据句意应该是疾病，名词。与hunger保持一致。
小题5:refuse to do sth.拒绝做某事，固定用法。
点评：应该注意固定用法和词性的变化。