原题:
题型:单项选择-三个选项
— ________ do you usually get up on school days?
—I usually get up at half past six. I must ________ on time for school.
—I usually get up at half past six. I must ________ on time for school.
| A.What time; / | B.When; be | C.When; to be |
题目考点:疑问句中'when'的用法,情态动词'must'后的动词不定式用法
