49. We’d better.. ...............or else we will never finish it in time.
A. get the ball rolling B. the ball rolling C. roll the ball D. the ball to roll
53. It was rather silly of them to go to the sea without a ship to _______ radio.
A. beach B. coast C. bay D. shore
54. Harriet was offered the job _______her linguistic abilities.
A. according to B. on account of C. owing to D. as regard
