People in Sichuan need our help.We must__tu helo them.A try
People in Sichuan need our help.We must__tu helo them.A try our best B tried C tries D to try
People in Sichuan need our help.We must__to help them.A try our best B tried C tries D to try
People in Sichuan need our help.We must__to help them.A try our best B tried C tries D to try
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你能帮帮他们吗