单项选择题
If you want his address ,you will have to () the number in the book.
A. look into B. look up C. look through D. look after
单项选择题 —Have you seen Jack and John —I haven't seen ()of them.
单项选择题 Nowhere else in the world () more friendly people than in this small town.
单项选择题 I ()swim in summer when I was young.
