根据句意和所给的首字母提示，补全句子中的单词。

1．This dish t_________ delicious，doesn’t it?

2．He r_________ to go to the party and I had to go there instead.

3．U_________I am mistaken．I’ve seen you somewhere before.

4．——Have you w_________ yourself recently?  一Yes, 58 kg．

5．You’d better be s_________：we’re not joking．