?养宠物

... many different pets很非常多不同地宠物 keep a pet养宠物 keep sth closed/clean/safe保持某物关闭/干净/安全 ...

?饲养宠物

... next time/Monday/month/year/summer 下一次/下个周一/明年/明年夏天 keep a pet 饲养宠物 fly to the moon for vacation 飞往月球去度假 ...

?养一个宠物

... 维护 ? Maintain 养一个宠物 ? Keep a pet 到现在为止，她都没有享受过暑假 ? Until now, she did not enjoy the summer ...