irst ________ to the market, thecomputer software ．was not a success due to its complexity in operation.

下列各句中,加点的词语使用不恰当的一项是(　　)

Mary had to work at evenings and weekends Only in this way _____ complete the reports by the deadline

you ever toAmerica

I don’t know how to deal with my son. He always refuses ______ advice I give him.—He just wants to show he has grown up, maybe.