根据句意，在句子空白处填入适当的词。(每空限填一词)

1．The ______ day of the week is Thursday．

2．The watch was ___________in China．

3．Grandma Li was ____________ ill，so we took her to the hospital．

4．I was doing homework ____________ my mother was cooking．

5．The students really didn’t know ____________ to do next．