题目内容
If they don’t wear school uniform, the teachers will not ____ .
A. let in them B. let them in C. let they enter D. let them to enter
B
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题目内容
If they don’t wear school uniform, the teachers will not ____ .
A. let in them B. let them in C. let they enter D. let them to enter
B
Carrots(胡萝卜) are grown on farms and in small family gardens all over the world. They are easy to plant and easy to harvest(收获). They have a good taste. 
kind of long, thin, orange-colored vegetable. In fact, carrots are in many different sizes and shapes. And not all carrots are orange. 
earth also should not be too hard. To prepare your carrot garden, dig up the earth and turn it over(翻土).