日本成人片在线_久久免费精品视频_国产午夜精品久久久久久免费视_校花撩起jk露出白色内裤国产精品_av影片免费在线观看_国产小视频在线看_最新av免费在线观看_99久久99久久精品国产片_欧美成人猛片aaaaaaa_蜜桃免费网站一区二区三区

I appreciated      the opportunity to study abroad two years ago.

A.having been given                 B.having given

C.to have been given                D.to be given

 I appreciated ____ the opportunity to study abroad two years ago.

A. having been given            B. having given

C. to have been given            D. to be given

I appreciated________the opportunity to study abroad two years ago.

A．to have given  B．to have been given

C．having given  D．having been given

 I appreciated ____ the opportunity to study abroad two years ago.

A. having been given            B. having given

C. to have been given            D. to be given

 I appreciated ____ the opportunity to study abroad two years ago.

A. having been given   B. having given  C. to have been given  D. to have given

I appreciated ____ the opportunity to study abroad two years ago.

A.    having been given            B. having given        

C.   to have been given            D. to be given

I appreciated ____ the opportunity to study abroad two years ago.

A. having been given   B. having given  C. to have been given  D. to have given

I appreciated ____ the opportunity to study abroad two years ago. 
A. having been given      B. having given     C. to have been given      D. to have given 

 I appreciated ____ the opportunity to study abroad two years ago.

A. having been given   B. having given  C. to have been given  D. to have given