问题

Why were you late for school again this morning—I was about to go shopping _________ it began to rain.
A:while
B:as
C:when
D:though;
B:as
C:when
D:though;
正确答案是:
同类题型
Eating too much ice-cream isn’t good____people,but it tastes______.
Do you think grandpa and grandma _________late —No, the train is usually on time.
there a number of sheep on the farm last year— Yes.
Oh, doctor, the wound on my leg is infected.—You really shouldn’t have left it _______ to the sun.