Question

Help with English. Thanks in advance. Check that everything is correct.

Answer 1

as i got you need us to check your answers. first one is correct, the second: correct question form is “how many free play radios are made every day?”. third: “how many radios have been sold worldwide?”. fourth: “who was the inventor of clockwork radio?”. fifth is correct. sixth: “whom are they bought by in the third?” seventh: “where was the invention shown?” and eighth is correct :)