Question

英语错题求解

错题求解，需详尽解释
1.--- How are you planning to travel to Shanghai?

--- I ______ yet, but I ______ taking a train.

A. didn’t decide; am considering

B. haven’t decided; consider

C. haven’t decided; am considering

D. hadn’t decided; have considered
2.--- Have you finished the report?

--- No. I ______ it all this week.

A. will do B. had done

C. have done D. have been doing

Answer 1

1，选C，yet提示现在完成时，排除A和D，第二个空表示我此时此刻正在考虑，故用进行时
2，选D，all this week强调从过去开始持续到现在，一直在干的事儿，符合现在完成进行时故用现在完成进行时

Answer 2

第一题选C，第二题选D
第一题中第一个空表示现在的事对过去的影响，所以用现在完成时。第二个空说的是我现在正在考虑坐火车，所以用现在进行时。
第二题中意思是我整个星期都在做，所以用现在完成进行时