The flowers can be watered every day改为否定句

问题描述:

The flowers can be watered every day改为否定句
The flowers ——— ——— watered every day
A dictionary can be used in the exam改为一般疑问句
———— a dictionary __________ —————— in the exam
this radio can be mended in the store完成附加疑问句
this radio can be mended in the store,_______ _________
the classroom should be cleaned once a day就once a day提问
—————— ———————— ———————— the classroom be cleaned?

Theflowers (can't)(be) watered every day.
(Can)a dictionary (be)(used) intheexam?
This radio can be mended in the store,(can't)(it) ?
(How)(often)(should) theclassroombecleaned?
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