The girl sitting next to me on the plane was very nervous, for she ______ before.

单项选择题Another two months will be needed before the new bridge ______.

单项选择题______ David swim ______ than Mike

单项选择题— Can you tell me why ______ — Because I want to help the people there.

单项选择题______ How often do you phone your family

单项选择题Though his grandmother lives ______ , she never feels ______.

单项选择题— Mr Smith must have been to your home this morning.— No, he ______ ,because he didn't know my address.

单项选择题There ______ a football match next Wednesday.

单项选择题— Do you mind my asking you a personal question — ______ , any questions are welcome.

单项选择题______ of the twins passed the exam because they worked hard at their lessons.

单项选择题How happy we are ______ each other here away from home!