When ____ to danger and conflict, men tend to increase blood pressure, _____nervous or anxious[ ]

The number of cars very small in the parking lot, which means only a small number of people the meeting.

She looks very happy. She ______ have passed the exam.—I guess so. It’s not difficult after all.

It is difficult for him to make both ends ________ with ________ cost.

Why didn’t you cry for help when you were robbed (被抢劫)-If I opened my mouth, they might find my four gold teeth. That would be ______!