请从右栏中找出左栏相应的答语。

①Where are you from? ____        A. Nice to meet you too.

②Thank you very much.  ____               B. It's Thursday.

③Write it on the blackboard.  ____             C. Twenty.

④How are you? ____                          D. England.

⑤Nice to meet you.  ____                       E. No, he isn't.

⑥Is Bob English? ____                         F. It's 80392746

⑦How many boys are there? ____              G. Yes, of course.

⑧Can you say that again in English? ____       H. You're welcome.

⑨What's your telephone number? ____       I. OK. B-O-O-K, book.

⑩What day is it today? ____               J. Fine, thank you.

湖北省在中小学广泛开展的“大家唱大家跳”活动，有利于增强学生的体质，提高免疫力，预防传染病，从预防传染病的一般措施看，该活动有利于____ ．