21£®Ò»Why is John so poor at his lessons?

    Ò»He never studies         £¬he plays computer games all day

    A£®However      B£®Except       C£®Instead     D£®Anyway

22£®       Katy has lived in New York for several years£®she doesn’t get used to the life there

    A£®Because    B£®Unless    C£®Although     D£®Until

23£®The year 1949          the birth of a new China£®

    A£® saw    B£®watched    C£®noticed     D£®1ooked