Hi guys! Would you please tell me which sentence is correct? His participation during the online classes is good. VS His participation during online classes is good. The first sentence has the, while the other doesn’t have. Thank you very much!

Hey guys! Could you please tell me what whether is sentence is correct? Monkey’s intelligence shows in how to communicate with humans with simple gestures. Thank you very much!

Can I say “ two people will be involved in a one on one meeting”? Thanks!

Hey guys! Would please help me check this sentence? You will be asked some questions which can be prepared in advance.

Is this sentence correct? I want to learn vocabulary, then practice them later. Thank you!

I will help him with his English study. Or I will help him with his English studies. Which is correct? I want to express I want to help him how to learn English, so which is correct? English study or English studies. Thank you!

Is practice countable or uncountable? Can I say the sentence like this: I did two practice today, and will hand them in to the teacher. Thank you!

Hi friends! Can I say “at the next chapter”? Thank you very much!

Hey guys! Please help me check this sentence: All texts that you submit should be handwritten not typed. Is it correct? Thanks!