I. 根据句意及首字母提示补全单词
1.This shirt is very e________. I can’t afford it.
2.I want to c________ one from many products.
3.Books and a________ can help you learn English at home.
4.If you pass the f________ examination, we will give you a certificate.
5.Please do not m________ cash. Please pay for courses by cheque.
