The dog bit through the rope and ran out. Question:Can the word 'through' be replaced by the word 'off' in this sentence? What are the differences?

①I seldom eat hamburgers to keep healthy. ② I eat fewer hamburgers to keep healthy. Question:Are both of the sentences the same in expressing meanings?

If you want to keep healthy,you have to eat less hamburgers. Question:Is the word 'less' used in a right way?

①Do you play sports？ ②Do you often play sports? ③Do you usually play sports? What are the differences between them? Are there differences in answering the three questions?

Mummy，can you pick me up? Question:What does it mean?How many possible meanings does it have?

It's early for me to get up at 6:30 in the morning. Question:Does the sentence have at least meanings in different specific situations?The first is that I am not willing get up,because 6:30 is too early for me.The second is that I often get up at 6:30 in the morning，although it's early. Am I right?

It's in December now,And today is (the) eleventh (day). Question:Is the word 'the' or 'day' in the bracelets needed here in spoken English?

There are thirty minutes free for me before school. Question:Is the sentence right or natural in English?Should 'free' be changed into 'to be free'? The partten'there be+noun+adjective' is grammatical or habitual?

There's thirty minutes free for me before school. Question:Is the sentence right or natural in English?Should 'free' be changed into 'to be free'? The partten'there be+noun+adjective' is grammatical or habitual?