I saw him crossing the street. The sentence structure is _______.
A. S+V+DO B. S+V C. S+V+P D. S+V+DO+OC
This washing machine ______yesterday. It needs repairing.
A. worked well B. broke down
C. come down D. went on
Since you are ______music, why not go to the Music Club in our school?
A. crazy about B. surprised at
C. ready for D. afraid of
I bought a big box ________ books for kids in poor areas.
A. collects B. to collect C. collect D. collected
—I called you at 5:00 yesterday afternoon, but no one answered.
—Sorry. I _______ football with my friends at that time.
A. play B. played C. will play D. was playing
We need clear air and water, so we _____ protect the environment.
A. can B. may C. must D. might