Fill in the blank with given words in the brackets

Fill in the blank with given words in the brackets
1. Mrs.Quyen bought corn, potatoes          cabbages at the market  (and/or)
2. I'd love to play volleyball            I have to complete an assignment  (and/but)
3. Nam got wet         he forgot his umbrella  (so/because)
4. Hoa failed her math  test        she has to do the test again   (however/therefore)
5. Do you want VietNam tea         milk tea?  (and/or)
6. It's raining         I can't go to the beach  (so/however)
7. Ba's hobbies are playing football          collecting stamps  (and/or)
8. Na is very tired           she has to finish her homework before she goes to bed  (however/therefore)
9. John is very rich           his friends are extremely poor  (and/but)
10. We couldn't find a good seat            all the best ones had been taken  (so/because)