Being good host takes more than helpful volunteers and building nice stadiums. Wellbehaved fans are face of China, too.
30. More than 20 years ago he was badly wounded in the anti-Vietnam war. Since then he can only walk _____ an arm-chair .
29. Can you say _____ certain when he will come here?
28. He is too careful _____ his money; he never buys a drink for us.
27. You should write the first letter of the sentence _____ capital one.
26. I called _____ you last night, but you were out.