问题

A computer can only do you have instructed it to do.
A: how
B: after
C: what
D: when
B: after
C: what
D: when
正确答案是:
同类题型
lephone _____ three times in the last hour, and each time it _____ for my sister.
At last, they came to a beautiful island, _____ they enjoyed a good picnic.
Irene, do you really want to go out—It may rain. ___________, I will go out; I don’t mind the rain.
_____ do they exercise— Twice a week.
led the police for help, thatthe problem was more than he could deal with