John, _______ university professor, is considered to be _______ success as ______ expert in the agriculture research.
20.---We’d like a standard room, please. ---I’m sorry. All but two single rooms with Internet access__________.
19.This year our country will aim to make greater progress in improving people’s living conditions __________those low-income families’.
18.__________being late for the important meeting, the secretary got fired form her job.
17.---The weather repot says the temperature is going to drop sharply. Do remember to put on more clothes. --- __________
16.When questioned by the police, the drunken driver denied drinking, but the terrible smell on him__________.