13.—Whafsthetrouble?—Theydon'tallowmeinthehospital.A.tosmokingB.smokeC.smokingD.tosmoke

Question

13.—Whafs the trouble?

—They don't allow me        in the hospital.

   A. to smoking     B. smoke

   C. smoking       D. to smoke

Answer 1

13.D allow sb.to do sth.意为“允许某人做某事”，是固定用法。故选D.