问题

How did it __________ that you made such a silly mistake—- I myself haven’t figured it out yet.
A:come up
B:come about
C:come across
D:come on
B:come about
C:come across
D:come on
正确答案是:
同类题型
_____ not to miss the flight at 15:20. themanager set out for the airport in a hurry.
Tony eventually realized his childhood dream ___ hecould play on one of the top teams
ave you seen my U-Disk–____________ you bought last Sunday I’m afraid I haven’t seen ________.
13. The foreman(工头) beat him _____ , and the other workers were very angry with him.