听力题此题为音频题
单选题2. I have already given instructions for the task to be taken up first and the engineers doing the job to work overtime.
单选题4. None of us expected the president to ______ at the party. We thought he was still in hospital.
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单选题Trading companies need to ensure their ability to handle orders efficiently, making an online system an essential sales channel.
单选题 The building needs ______
单选题If you are not familiar______the operation of this machine, please ask our assistant for help.
单选题[此试题无题干]
单选题We offer help to the families who choose to________their elderly parents.
单选题[此试题无题干]
单选题4. The boss told us not to use more material than is necessary.
单选题3.
单选题.1.
单选题 There are two doors
单选题Thirty percent of Jane’s income________on clothing every year.
单选题No matter what business you run, get prepared______the challenges of IoT.
单选题《复合题被拆开情况》《问题》：TheRockSteadyBoxingprogramisdesignedtohelp________.
单选题[此试题无题干]
单选题3. We are looking forward to hearing from you very soon, and we will keep you informed, by phone, of any new developments. ______