问题
You look scared. What happened?— Well , I _______ along the street ________ the UFO landed.
A:was walking ; while
B:is walking ; when
C:was walking ; when
D:is walking ; while
B:is walking ; when
C:was walking ; when
D:is walking ; while
正确答案是：
同类题型
I have to go to bed ____ 9 o’clock.[ ]
It is reported that people are likely to tell lies over the phone as they are in emails.
Is the woman walked past just now your teacher?-Yes. She teaches English.
It remains whether Jack will be fit enough to play in the final.
They need to _______ some good ideas to help the old people in the Old People’s Home.