I.  Choose the best answer
16.    It was late, so we decided ___________ a taxi home.
    A. take            B. to take        C. taking        D. took
17.    My dad doesn’t mind ___________ my mom from work every day.
    A. pick up        B. picked up        C. picking up        D. picks up
18.    Using computers too much may have harmful effects ___________ your minds and bodies.
    A. on            B. to            C. with            D. onto
19.    I love the people in my village. They are so ___________ and hospitable.
    A. friendly        B. vast            C. slow        D. inconvenient
20.    The ___________ people in the village are very friendly.
    A. ethnic minority    B. majorities        C. ethnic minorities    D. ethnic cultures
21.    Can you speak English ___________ My English is not good.
    A. slow        B. more slowly    C. quickly        D. more quickly
22.    Viet Nam is ___________ multicultural country with 54 ethnic groups.
    A. a            B. an            C. the            D. A and C
23.    Which ethnic groups have the largest population in Viet Nam?
    A. Kinh        B. Muong        C. Tay            D. Hmong
24.    The Lao are one of ___________ many Thai- speaking peoples.
    A. the            B. a            C. an            D. A and C
25.    If we go on littering, the environment ___________ seriously polluted.
    A. becomes        B. will become     C. became        D. would become
26.    The boy was very hungry ___________ he ate nothing.
    A. so            B. and            C. therefore        D. but
28.    You can use my bicycle; ___________, you bring it back tomorrow.
    A. because        B. although        C. nevertheless    D. in spite of
29.    According to the ___________ in England, we have to use a knife and folk at dinner.
    A. table ways        B. table manners    C. behaviours        D. differences
30.    We have to ___________ our shoes when we go inside a pagoda.
    A. put on        B. give off        C. turn off        D. take off