( ) 1. The accident happened _________ a cold winter morning.
A. on B. in C. at D. of
( ) 2. I didn’t ride to the school ___________ the strong wind.
A. because B. because of C so D. as
( ) 3. He is considering ___________ his uncle next Sunday.
A. to visit B. visit C. visiting D. visits
( ) 4. Would you please buy some salt (盐)for me, Tony? There is __________ left.
A. little B. a little C. few D. a few
