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

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

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

【題目】—— __________ it going? —— Great!

【題目】What he did made his parents__________.

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

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

【題目】Tony is busy his homework.

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

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