私はスポーツ()上手ではありません。
A.が
B.で
C.に
D.を
参考答案:A
以下哪条命令用于修改用户密码?()
A.chuser
B.chpass
C.passwd
D.chpwd
_____ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.[ ]
A. Waiting
B. To wait
C. Having waited
D. To have waited