Chia động từ trong ngoặc

I (read)... an article flying car yesterday 

there (be) ... many interesting transport in inventions 
l would  prefer(ago)...on a pilotlers phace so far 
cites all over the world (face) .... serious traffic problem there days 
would you rather (have) .... time  travel or teleporatation ? 
he avoids ... (pollute)....the environment 
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