She had a pretty _______look indicating that she had done something wrong to Jim.
When the audience heard the alarm, they all hurried to they thought was an emergency exit door.
---I hear you won the prize in the English contest last week.---That was the second time I ________ the prize.
The computer center, ________ last year, is very popular among the students in this school.
We can’t take part in the competition ________ we get our student card.
He made a promise __________he would help me.