LinTaohasreturnedfromtheUKrecently.He______atCambridge...
问题详情: LinTaohasreturnedfromtheUKrecently.He______atCambridgeforfouryears,duringwhichwe______witheachotherontheInternet. A.hasstudied;hascommunicated B.hadstudied;co...
问题详情: LinTaohasreturnedfromtheUKrecently.He______atCambridgeforfouryears,duringwhichwe______witheachotherontheInternet. A.hasstudied;hascommunicated B.hadstudied;co...