题目内容
He may come, but I’m not sure _______ that.
A. on B. with
C. about D. to
C
【解析】
试题分析：句意:他可能来，但是对此我不确定。on 在……上面；with 和……一起；about 关于；to 到……。这句话中使用的短语是be sure about对……确定。故选C。
考点：考查介词。
综合填空 根据短文用所给单词的适当形式将短文补充完整。每词只用一次，其中有两项为多余。（6分）
learn, talk, be, surprise, go, say, glad give |
My brother, John, is a college student. Last year he 1. to Japan and stayed for two months. I was 2. that John was able to have such a long holiday, because he never has any money.
"How did you do it, John?" I asked. "I thought you were going to stay for two weeks.""It was easy." John answered." I got a job." "A job? " I asked in surprise.” What did you do?""I 3. English lessons to a shop manager.(经理)" John answered."Its name is Luigi. We have become good friends." "But you're not a teacher." I said.
"I told Luigi I couldn't teach," John explained. But he insisted on(坚持) having coversation lessons. He wanted to practice his English. He had a lot of American customers(顾客), so it 4. important for him to speak English. I spent three hours a day 5. to him. In return he gave me a room, three meals a day and a little pocket money."Did your student learn much English?" I asked. "I don't know," John said, "but I 6. a lot of Japanese."