![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
At one time,________were the only practical way to cross the vast areas of the west.A.buse
At one time, ________were the only practical way to cross the vast areas of the west.
A.buses
B.bikes
C.trains
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
At one time, ________were the only practical way to cross the vast areas of the west.
A.buses
B.bikes
C.trains
Ten ______ ten is one hundred.
A) time B) times C) time of D) time on
A.at times
B.at one time
C.for a time
D.at a time
______ have I said such a thing!
A.In no time
B.For the time being
C.At no lime
D.At one time
Every one can only play the games for ten minutes ______.
A.at a time
B.at any time
C.at times
D.at one time
A.Each at one time
B.One by one time
C.voyage
D.One at a time
Please keep an eye on my luggage, and I'll be back______.
A.in time
B.in no time
C.at one time
D.at a time
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!