Choose the correct answer A,B,C or D in each line

Ex 1: Choose the correct answer A,B,C or D in each line
1. You.........................take their shoes off before entering a Japanese house
A. can                B. have to             C. may               D. might
2. They are harvesting rice in the.......................
A. orchard          B. paddyfield          C. crop              D. garden
3. Tom's father is very..................., so he can control the combine harvester very well
A. relaxed            B. surrounded               C. interested             D. well - trained
4. She is so...................on history that she walked all day to find museums to learn about the past of Ha Noi
A. keen                 B. crazy                  C. interested                    D. fond
5. One of the....................festivals in the countryside is Mid - Autumn festival.
A. traditional           B. tradition                    C. traditionally             D. traditions
6. My sister seldom plays badminton after work , she prefers...................in the nearby river
A. swims                  B. to swim                  C. to swimming                 D. swam
7. People are trying their best to keep the environment .................
A. pollutant                 B. polluted               C. unpolluted             D. polluton