题目内容
Timmy is worrying about enough time the work.
| A．not to have; doing | B．not having; doing |
| C．not to have; to do | D．not having; to do |
D
worry about 表示担心。后接动词的ing形式，而have ···sth to do，为动词不定式作为后置定语，想答案为D
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