【题目】The government warned some factories __________ the water again.

【题目】Although it was mining outside，the farmers cworking on the farm．

【题目】Our Earth will be __________ if we don’t stop cutting down trees.

【题目】—— __________ it going? —— Great!

【题目】What he did made his parents__________.

【题目】People are really ________ on the beach in summer.

【题目】——Who are you _______? —— My mother.

【题目】Tony is busy his homework.

【题目】I feel fired today, and l want to rearly．

【题目】We can protect our environment ________ rubbish into river or lakes.