"你认为他们是做什么工作的？“如何翻译： can i say : 1.what do you think their jobs are ? 2. what kinds of jobs do they do, how do you suggest? 3. what do you think about their jobs? which one or ones are correct?

please, tell me the meaning of the sentences below. thanks a lot - The young man can sing along on anything in the kingdom, as long as he can bring a strong ringing to the changing songs. 1. sing along on anything 2. as long as he can bring a strong ringing 3. changing songs. thank you very much.

I'm wondering why uses "learned to do" instead of " learned doing" in following sentence. there's a sentence which is used to describe the word "toddler" toddler is a young child who has only just learned to walk. whether can I use "learned walking" in the sentence. what's the difference between "learned walking" and "learned to walk" in the sentence.I mean if a child still can't walk, but just begin to learn. ---- learned to walk. if a child is just able to walk recently --- learned walking. can I understand the usages of "to do" and "doing" in this way?

I don't know exactly the meaning of the following sentence. it's an American pronunciation video which is talking about the sound of "d". the teacher brought a sample word "dad", she made the first "d" sound, then said "It's the same with a D at the end of the word, though a little more subtle. " though a little more subtle, means 1. the two "d" sounds have a little difference. 2. the difference between the two "d" sounds is hard to distinguish. thanks a lot for help.

why it's "on top of sth" instead of " on the top of sth"? I looked a word "lap" up in the dictionary. The definition is " If you have something on your lap when you are sitting down, it is on top of your legs and near to your body." I'm wondering why it's " on top of your legs" instead of " on the top of you legs" thanks for your help.

why is the sentence used in single form? there's a sentence She was sitting with her hands on her lap. why here use "lap" instead of "laps". thanks for you help.

why hasn't the verb in the sentence be used in the singlel form? why dosn't the sentence use in the plural form? People who drives when they are drunk should be heavily penalised. just like the sample sentence above, why hasn't be used as "who drive when" ,but "who drives when"? thanks a lot.why dosn't the sentence use in the plural form?[[[[[ sorry ,please ignore this sentence.