Too much meat and sugar may cause you to______weight very easily.

Tom was the second to reach the top of the mountain, Mike _______ the first

________do you think _________ the monitor of our class?

The new driving test seems to be challenging，so the chances ________ he can pass it at the first attempt are small.

下列各句中，加点的成语使用不恰当的一项是(　　)