--- I drove to Zhuhai for the air show last week. --- Is that ____ you had a few days off?
Everything was perfect for the picnic _____ the weather.
The course normally attracts 20 students per year, ________up to half will be from overseas.
____ red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened.
This is the second time that the top 10 list of popular novels _____ published by this magazine.
---Do you still smoke heavily? --- No. In fact, it is two years since I ____. A. have stopped smoking B. smoked D. began to smoke D. started to smoke