1.39中国加入世界贸易组织的时间是（）

1.5When he was questioned about the missing ring , he firmly（）that he had ever seen it.

1.4However, radio is already rapidly becoming （） to thousands of people in these areas.

1.3She could hardly （） laughing .

1.2Opportunities are always available （） one uses his mind.

1.11The only thing （） really bothers us is whether we will have access to the resources room of the department.