1.I an wondering if he is available______the job.
A.at B. on C. to D. for
2.I want to have some more coffee,but there was______left in the coffee pot.
A.nothing B.none C.not anything D.no one
3.Though_____of danger,he still went swimming in the river,which cost his life.
A.was warned B.warned C..warning D.to warn
答案:D B B
有点不懂,希望大家解释一下。谢谢哦~