请根据要求改写下面句子，每空一词。

My mother often does some cleaning on Sundays．(改为一般疑问句)

________ your mother often ________ any cleaning on Sundays?

填入适当的词语，让句意完整，成为保护环境的各种措施。

Use ________ instead of plastic bags while shopping．

填入适当的词语，让句意完整，成为保护环境的各种措施。

Put ________ into different parts in order to be used again．

填入适当的词语，让句意完整，成为保护环境的各种措施。

Do not leave ________ on the ground in a public place．

填入适当的词语，让句意完整，成为保护环境的各种措施。

________ while doing some washing．

填入适当的词语，让句意完整，成为保护环境的各种措施。

Walk or ________ to school instead of taking a car．

填入适当的词语，让句意完整，成为保护环境的各种措施。

For example：Plant ________ to make our city beautiful．

根据所给的汉语内容，用英语完成下面句子．

直到考完试他才能玩电脑游戏。

He ________　________ computer games ________ he finished sitting the exams．

根据所给的汉语内容，用英语完成下面句子．

他认为不容易记住所有的单词．

He ________　________ it easy ________ remember all the words．

根据所给的汉语内容，用英语完成下面句子．

Tom和Mary都不知道昨晚发生了什么。

________ Tom ________ Mary ________ what ________ last night．