Ca 本
(A) is found (B) was found (cC) has been found_(D) had been ftound
5. 你墩到這裡已有多久了 ?
刁ow 8 you here?
6. 張先生去年去了日本,就再無消息。
,he has never been heard ot.
7. 自從他變得沉迷於打電動 ,他在學校的表現就每況愈下。
,his performance at school has gone
五om bad to worse.
8. 自從在地震中失去了雙親,他就更加番力並半工半讀完成大學學業。
9. 自從去年夏天那次令人失劑的旅行後,我們就不曾再到過任何地方度假了。