试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
（simple）The computer has
the difficult task of teaching reading to the deaf.
参考答案
试题解析
根据has判断出时态是现在完成时，所以应该用动词的过去分词。应该先把simple转化为动词形式simplify，然后变成过去分词simplified。句意：电脑简化了教聋人阅读的艰巨任务。