1. As a result of the serious flood, two-thirds of the buildings in the area        .

A. need repair          B. needs to repair  C. needs repairing    D. need to be repaired

2. Self-driving is an area _______ China and the rest of the world are on the same starting line.
A. that            B. where        C. which                D. when

3. It’s strange that he _______ have taken the books without the owner’s permission.
A. would          B. should       C. could          D. might