What's the best time to go there?一个句子里面不是不能有动词和be动词共存吗,为什么这个句子有is 和 go?

What's the best time of year to visit What's the best time to study?Can I what's the time what animal keeps the best time? 为什么是What's the best time to go there?而引导词不是When? Truly love one's time,we should know what love is the best performance! it's the best time ______sth what is the best time time for exercising?why? 英语翻译What’s wrong with you?What’s the matter(with you)?What’s your best delivery time?What’s your payment term / price term?What’s your packing method?What’s your best quality / shortcoming?What time is it What’s this?What’s yo What's the time for? what's the time now What's the time now? 15.What’s the time? What·s the time? What's the best movie theater? What's the best movie theater? you know mp3,what's the best What’s the best and cheapest light?