Ben has been to Singapore five times.five times划线提问（ ） （ ） （ ）has Ben been to Singapore?

Ben has been to Singapore five times.five times划线提问（ ） （ ） （ ）has Ben been to Singapore? Eric has been learning to sing since he was 8 years old (改为同义句） -Where is Ben?-He ___ to the teachers' office.He will be back soon.A.go B.has gone C.has been -Where is Ben? -He ___ to the teachers' office.He will be back soon. A.go B.has gone C.has been-Where is Ben?-He ___ to the teachers' office.He will be back soon.A.go B.has gone C.has been D.is going has been to 和has gone to 英文互译句子查找A problem hass ben detected and widows has been shut doun too prevent damage to your computer Ben has been skating since nine o'clock.（改为同义句）Ben _____ _____ _____ at nine o'clock “what has been up to a problem has been detected and windows has ben shut down to prevent damage to your computer今天开机就出现这个 ,昨天也没非法关机,系统是头两天从做的怎么解决.. 英语Has been to 和Has been in 怎么用? has been to和has been in 的区别 has been in 和 has been to 的区别 She_______ shopping A.has been to B.has gone C.has gone to D.has been has been in和has been at的区别has been in.has been at.has been to.has gone to它们的区别 Ben alawys goes to work at 8o'clock.(改为一般疑问句）He has been to Beijing for 3 times.(一般疑问句）Jerry sometimes dose his homework in the library.(一般疑问句） Tom ________France .He _____Paris for three weeks.a.has been to :has been tob.has gone to :has been inc.has been to:has been ind..has gone to; has been to并说明原因 Tom___ China for 3 years.A.has been B.has been in C.has been to D.has been at has been in、has been to、has gone to、has been gone的区别（详解）.急知!