A．obscureB．unmistakableC．unacceptableD．backward

How would you describe Sequoyah？ （)A．Determined.B．Mad.C．Backward.D．Meek （温顺的).

【C11】A．forwardB．inwardC．outwardD．backward

Some children display an unacceptable curiosity about every new thing they encounter.A．inc

According to the author, "backward" languages tend to expand in ______.A．grammatical struc

【C3】A．unexpectedB．unansweredC．unreceivedD．unaccepted

【C3】A．obscureB．attractiveC．appropriateD．evident