Ⅰ.根据句意及首字母提示补全单词
1．Jina is 1.89 metres tall. Her height is an a________ for playing basketball.
2．I don't like c________. I like paper money.
3．The policeman caught the tall man because he s________ an iPad from the supermarket.
4．Don't play with fire. It may c________ a fire.
5．This is a s________ problem. We can work it out easily.
