Question

The teacher pointed to the mistakes in Jack's homework and told him to be more careful ________．

1. A.
   in the future
2. B.
   for a future
3. C.
   the future
4. D.
   in future

Answer 1

D
in the future表示“在将来”；in future表示“以后”．题意为“老师指出了Jack的错误并告诉Jack在以后做作业时更仔细．”for a future表示“为了前途”，the future不能单独作时间状语．