根据句意和汉语注释，写出单词的正确形式。1.Myunclestartedtolearnswimminginhe...

问题详情：

根据句意和汉语注释，写出单词的正确形式。

uncle started to learn swimming in her __________(四十).

is now a manager while his twin brother___________(保持不变) a worker.

useful the  ___________ sound! I think he will take them.(建议)

’t be too _________ about your son is old enough to look after himself.(担心)

【回答】

1. forties        2. remains    estions    ied

知识点：单词拼写

题型：单词拼写