【题目】The first part of the reading in the exam is easy. ________ the second part took half an hour.

【题目】—Why didn’t you ________ the medical meeting this morning, Jean?

【题目】Nature has given us the ability to learn________watching others. Children do it naturally.

【题目】Catherine told us something about her life as_________ exchange student in Beijing University.

【题目】I'm afraid Physics is completely________me and I have to ask you for help.

【题目】The weather report says it will be cloudy with a slight________of rain later tonight.

【题目】I don’t know .

【题目】—Can you spare some time to help me with math this Saturday or Sunday?

【题目】—I know how busy you must be and naturally I wouldn’t want to too much of your time.

【题目】—May I smoke here?