单项选择题

If the task is too complicated to figure out on （） own, please don't hesitate to ask one of our representatives, who are here to help.

A.you
B.your
C.yours
D.yourself

<上一题目录下一题>

热门试题

单项选择题

The newly installed alarm system, which is directly connected to the police, will go off if the correct security code is not entered （） 60 seconds of touching the keypad.

A.only
B.under
C.within
D.directly

单项选择题

（） announcing his retirement, Mr. Kinsley has been busy trying to train his replacement.

A.Because
B.Once
C.Since
D.While

相关试题