問題詳情：
根據所給漢語提示，完成下列句子，
1．His mother in the river．（禁止他游泳）
2．It he should apply for a patent for his invention．（這位發明家沒有想到……）
3．Let’s discuss the problem this Friday afternoon ．（要是你方便的話）
4．Here was a chance for me that would catch snakes but not harm them．（透過發明某種仁慈的東西來表現一下自己）
【回答】
1．forbids／forbade him to go swimming
2．didn't occur to the inventor that
3．if it is convenient to you
4．to distinguish myself by inventing something merciful
知識點：單元測試
題型：未分類
