1.it’s extremely dangerous for the drivers to _______ speed as the traffic lights are changing． a．pull up b．put up c．rise up d．pick up 2.(2014届•重庆市考前模拟，32)his writing is so confusing that it's difficult to make out ________ he is trying to express. a．what is it b．what is it that c．what is that d．what it is that 3.you didn ’ t let me drive. if we _____ in turn, you ______ so tired.
