China has made great (achieve) since it opened its doors to the outside world.

1. China has made great (achieve) since it opened its doors to the outside world.

【考点】

规则变化的可数名词复数; 词性转化;

【答案】

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语法填空（单句）普通

1. Chinese has the largest number of because of its big population. (speaker)

语法填空（单句）容易

2. The company conducted some to understand customer needs. (survey)

语法填空（单句）容易

3. Learning practical （技能） plays an important role in shaping a person's character.

单词拼写（单句）容易