______rise in carbon dioxide is causing _______ steady increase in global warming.

Rather than ona crowded bus, he always prefers abicycle．

ere is a message on my cell phone,telling me to send money to the bank account…–Delete it! It’s a trick Many a person ________ bysuch tricks

mobile phone was left in a taxi accidentally,_____ again.

Do you know ________— I’m not sure Maybe he is abusinessman