you'd better ----------(see)a doctor when uou are ill.

seewould better do最好做。 再问： it took us two hours_____-(walk)there 再答： to walk take sb some time to do sth花费某人时间做某事, 上面那个应该是had better do sth不好意思啊，写错了，意思还是最好做某事再问： he____(shake)his head and said NO 再答： shook and 连接两个并列短语，前后的状态一致再问： when she heard the news,she was too angry____(say)a word 再答： to say too。。。。to太。。。 而不能，当她听到这个消息的时候，她太生气了，以至于不能说出一个字