问题
Professor Smith will come here to give a speech Allthe preparations must be _____ before 5 o’clock
A:am justthinking
B:just thought
C:have justthought
D:was justthinking
B:just thought
C:have justthought
D:was justthinking
正确答案是：
同类题型
How long have you been like this? -___________October 13th,Monday[ ]
We’re going to have a party for mothers on Mother’s Day.—______.May I join you
________ everyone else wouldn’t go to the mountain area, he went without a second thought
Do you think we can get there on time -Yes，_______ the truck doesn’t break down.