用所给单词的适当形式填空.

1. They have some questions about                (understand ) real English.

2 .What do you think of             (they) English?

3. -Who is the               (one )student to come to the class  room?

    -I am .

4. -Does your sister enjoy              (work) in the hospital?

    -No ,she doesn't.

5. Try                (remember) five or six new words every day, you can learn English