填空题He isn’t old enough to see this thriller.(改为同义句)He is ______ young ______ see this thriller.
判断题If we spend less time taking a shower, we can cut the number of CO2.
单项选择题The purpose of the passage is ______.
填空题We may put the flowers in the classroom.(改为被动语态)The flowers may ______ ______in the classroom.
判断题If we use a dryer five times per week, we produce 154kg of CO2 per year.