问题补充:
单选题Somelittleboyshavedifficulty______theirheartsintothelessonforalongtime.A.to putB.to putC.puttingD.puting
答案:
C解析此题考查固定句型结构have difficulty in doing sth表示做某事有困难,其中in可以省略。动词put的现在分词形式putting。故选C。
时间:2022-01-30 00:07:19
单选题Somelittleboyshavedifficulty______theirheartsintothelessonforalongtime.A.to putB.to putC.puttingD.puting
C解析此题考查固定句型结构have difficulty in doing sth表示做某事有困难,其中in可以省略。动词put的现在分词形式putting。故选C。