1. In some places in the South of China, _______car has already become ______ popular means of transportation.
A. a; the B. /; a C. the; a D. the; the
2. It’s too late to go out now. ___________, it’s starting to rain.
A. Besides B. Meanwhile C. However D. Anyhow
3. She brought with her three friends, none of ______ I had ever met before.
A. them B. who C. whom D. these