1. He practiced ________ this term so he ________ as the host.
A. more; has chosen B. more; has been chosen
C. less; has chosen D. less; has been chosen
2. They’d like ____ thank the following people _____ their help and support.
A. to; to B. for; for C. to; for D. for; to
3. Now people __________ donating blood（血） for the sick people .
A. is used to B. are used to C. used to D. use to
4. I don’t know ______ a show. Can you tell me?
A. how organize B. what organize
C. what to organize D. how to organize
