单项选择题
Don’t worry about him. He is ______ a child and he is able to look after himself.
单项选择题 We are determined to build our country into a prosperous and （） socialist country.
单项选择题 Because of his ______ English, he couldn’t talk to the foreigner ______.
单项选择题 It is impossible for so ______ workers to do so ______ work in a single day.
