Kate run a bit faster you can catch up with all of your classmates.A. soB. andC. butD.

问题补充：

Kate, run a bit faster, you can catch up with all of your classmates.

A. so

B. and

C. but

D. or

答案：

A. so

(答案→)B. and

C. but

D. or

解析：固定句型，祈使句+and/or+一般将来时。此句的意思为跑快一点儿，你就能够赶上你所有的同学了。and 表顺承关系，而or表否则，由此可知答案应为B。