在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。
Talking with her is like playing the lute to a cow. I don’t want to w____ my time.
Believe what I’ve told you! I never tell lies, I am h_______.
Tim was so l_____ that the bus was about to leave when he arrived there.
I bought a new iPhone yesterday, it c______ me more than 5,000 yuan.
It’s sad that all 239 passengers in the flight of MH370 lost their lives, i     154 Chinese.