题型:名词解释 —Jack, could you help me when the plane will take off on the Internet? —I’m sorry, my computer doesn’t work.A.get outB.look outC.take outD.find out 查看答案
题型:名词解释 He ______ full marks, but he was so careless as to make a spelling mistake.[ ]A. must have gainedB. can have gainedC. could have gained D. must gain 查看答案