主电瓶的功用是：

Soldiers have been sent in to try to restore _______ in the area.

I really have no idea how the mistake _______ in the first place.

This area of town is beginning to look very _______ and impoverished.

Alex ________ judo after school every Friday.

Carlos usually gets good marks at school ________ he doesn＇t seem to spend much time studying.

Did you have any problems ________ our house?

Fiona is very angry ________ her boss＇s decision to sack several members of staff.

Have you been back to the house ________ you grew up?

How ________ have you and your family lived in this flat?

I didn＇t like that writer＇s first book but his second one is much more ________ .