根据句意写单词。

Be ________ when you start a fire．

根据括号内的汉语提示在空白处填写适当的单词。

The prices will go up, I ________．(猜想)

根据括号内的汉语提示在空白处填写适当的单词。

Everyone should protect the ________ world．(自然的)

根据括号内的汉语提示在空白处填写适当的单词。

We ________ know each other．(几乎不)

根据括号内的汉语提示在空白处填写适当的单词。

Now that you ________ it, she did seem to be in a strange mood．(说到)

根据括号内的汉语提示在空白处填写适当的单词。

I haven't spoken to anyone in English for days and that's a ________．(事实)

根据释义写单词。

________ cause to exist

根据释义写单词。

________ one thousand thousand

根据释义写单词。

________ take(letters, parcels, etc．)to the places

根据释义写单词。

________ mark left by a foot