1. We tried /tr/ to catch the train /tr/ to Ha Noi.
2. This morning I felt crazy /cr/ because the traffic /tr/ was very heavy with a lot of trucks /tr/ and the streets were crowed /cr/.
3. My father likes cream /cr/ in his coffe.
4. My mother buys groceries on credit /cr/.
5. My computer crashed /cr/ while I was trying /tr/ to create /cr/ a new directory.