2. Put the verbs in brackets in the correct verb tense.
1. Be careful! The teacher (look)                  at you.
2. The boy (learn)  ______for three years, but he can’t understand this letter.
3. How long (you/know)                           Paul?
    - I (know)                him for five years.
4. (she/ feed)                 the cat yet?
5. We (not see)                    Lan since we (be)                        on holiday last summer.
6. (she/ finish)                                            her homework yet?
7. (your dog/ ever bite)                                             anyone?
     - Yes, he (bite)                                      the postman last month.
8. Would you like some coffee? I (just/ make)                                     some.
9. (you/ ever be)                                                     to Ha Noi?
10. Our school performance (start)    late last Sunday because of the heavy rain.