问题补充:
The teacher told his students the sun in the east.
A. rise
B. rises
C. rose
D. risen
答案:
A. rise
(答案→)B. rises
C. rose
D. risen
解析: 考查时态。the sun in the east是tell的宾语从句,主句The teacher told his students虽然是一般过去时态,但从句是客观事实,所以要用一般现在时态,且主语the sun为第三人称单数,所以选B。