按要求完成下列各题,每空一词。 1. Why not join an English club to practice speaking English?(改为同义句) _______ _______ _______join an English club to practice speaking English? 2. If you want to improve English, you should practice writing a lot.(改为同义句) Lots of writing practice_______ _______you improve your English. 3. The girl is so young that she can't ride a bicycle.(改为同义句) The girl is_______young_______ ride a bicycle. 4. Tom don't know how to prepare the mid-exam.(改为同义句) Tom don't know_______ _______ _______prepare the mid-exam.