Tìm lỗi sai và sửa lại cho đúng

TÌM LỖI SAI VÀ SỬA LUÔN GIÚP MÌNH NHÉ
1. If she comes to the post office at 8 a.m, we can’t give her the present.

      A                               B                                                  C         D

2. When his friend comes here tomorrow, he has a surprise for her.

       A         B                                                     C                       D

3. It took he half an hour to prepare for the new lesson.

        A       B            C                               D

4. How much did it cost  she to buy the new pair of shoes?

        A                      B       C                      D

5. Unless we go to school in time, we will have enough time to doing the test.

         A                                  B                                       C               D