• 2022-06-06
    The
    key point of his speech was that we should take effective measures
    ____water pollution.
    A: stopping
    B: If
    C: stop
    D: while
    E: stopped
    F: until
    G: to stop
    17___A__you
    want some samples of our new product, you might contact our sales
    manager.
    H: unless