I. Hoàn tất các câu, dùng các từ trong khung.

Health  difficult            hygiene            harvest             helpful strange            carefully

1.                  Farmers are very busy during the           .

2.                  You should wash regularly to ensure personal    .

3.                  Swimming is good for your        .

4.                  My father always drives            .

5.                  She always helps her mother do the housework. She’s very       to her mother.

6.                  When you arrive in a new country, everything seems      .

7.                     The exam wasn’t easy. It was very