II. Pronunciation

1.  A. proofs                             B. books                         C. points                          D. days

2.  A. asks                                B. breathes                     C. breaths                        D. hopes

3.  A. sees                                 B. sports                         C. pools                           D. trains

4.  A. tombs                             B. lamps                         C. brakes                          D. invites

5.  A. books                              B. floors                         C. combs                          D. drums

6.  A. cats                                 B. tapes                          C. rides                            D. cooks

7.  A. walks                              B. begins                        C. helps                            D. cuts

8.  A. shoots                             B. grounds                     C. concentrates                D. forests

9.  A. helps                               B. laughs                        C. cooks                           D. finds

 10  A. hours          B. fathers        C. dreams        D. thinks

I. Do Supply the correct verb form: The Simple Present Tense or The Present Continuous Tense.( Chia động từ ở HTĐ, HTTD)

1. Be quiet! The baby (sleep).

2. We seldom (eat) before6:30.

3. Look! A man (run) after the train. He (want) to catch it.

4. The sun (set) in the West.

5. It (be) often hot in summer.

6. I (do) an exercise on the present tenses at this moment and I (think) that I (know) how to use it now.

7. My mother sometimes (buy) vegetables at this market.

8. It (be) very cold now.

9. It (rain) much in summer. It (rain) now.

10. Daisy (cook) some food in the kitchen at present. She always (cook) in the morning.

tinh x 

a - 420 : ( x : 39 ) = 105

b - 200 - 18 : ( 372 : 3 x - 1 ) - 28 = 166

a) Gọi P là chu vi của hình tam giác.

Viết công thức tính chu vi P của hình tam giác đó. 

 b) Tính chu vi của hình tam giác biết:

    a = 5cm, b = 4cm và c = 3cm;

    a = 10cm, b = 10cm và c = 5cm;

    a = 6dm, b = 6dm và c = 6dm.

Tìm 1 từ có cách phát âm khác