问题
Traveling __________ over 400 kilometers per hour, the train can complete the 30-kilometre journey in eight minutes.[ ]
A: with the speed
B: in a speed
C: at a speed
D: for a speed
B: in a speed
C: at a speed
D: for a speed
正确答案是：
同类题型
Their carelessness ______ the failure. That is to say, the failure_____ their carelessness.
Do you have any plans for tonight—Yes ，I____at the new Italian restaurant in town.
When did you get home last Friday?— It was not until midnight ______ it was raining hard[ ]