47. Three hundred firemen raced to the hotel after a smoke detector ______ the alarm soon after midnight.

If you have to catch the first bus every day, choose this hotel.It is very________for the station-it’s only a twominute walk. [ ]

He didn’t go to the concert yesterday,didhe-______.He was busy studying for the testsall day.

Your parents care______ about your marks that you always feel stressed.

She haswaited for the guest for two hours and reached the ________ of her patience.A. limit B.topC.pointD. need