Question

-----Have you finished your composition already, Jack? ----Yes, I _____ it within half an...

-----Have you finished your composition already, Jack? ----Yes, I _____ it within half an hour. A．have finished B．finish C．finished D．had finished

Answer 1

C

试题分析：考查时态：句意：--杰克，你已经完成作文了吗？--是的，我半个小时就完成了。因为时间是过去的半小时，所以用一般过去式，选C。