_____ is hard is to do good all one’s life and never do anything bad.

Don’t forget to bring your homework here tomorrow.-_______.

I’m going to Hangzhou for a holiday this weekend.—____ you are there, can you buy me some green tea

(2013·高考天津卷)If he had spent more time practising speaking English before，he________ able to speak it much better now.

It’s good to know ________ the dogs will be well cared for while we’re away.