1 suddenly,some information was shown on the screen.
------------ ---------- ---------- -------------,some information-------------on the screen.
2.when there is very little money,the school often prevents girls from training.
when there is -------- ----------- money,the school often------------girls from training.
3.of course she did not do all the work on her own.
of course she did not do all the work -------- ---------- ---------.