1.When they got back home from the cinema last night,they fo

1.When they got back home from the cinema last night,they found that the house____ into.A.was broken B.had been broken.break是点动词吗?不是的话怎么能持续呢2.---You seem sleepy,Tim.---Oh,I ___ all night preparing for the report and I can hardly keep my eyes open now.A.stayed up B.have been staying up这道题怎么又变成现在完成时了?3.He suffered from serious test anxiety.____,he could neither sleep nor eat well before the important exam.A.In that case B.As a result为什么不能用A?就是这样