I was busy ---
A: do my homework
B: doing my homework
C: did my homework
D: does my homework
A: do my homework
B: doing my homework
C: did my homework
D: does my homework
举一反三
- I am used to _____my homework at night. A: do B: doing C: did D: done
- I was my homework when I heard the news. A: do B: done C: doing
- My parents used to make me_______ my homework as soon as I came home from school. A: be doing B: doing C: to do D: do
- Must I do my homework at once ? —No, you _______.
- I ______ my homework at 9 o’clock last night. A: was doing B: am doing C: did