1．My main concern is that the work won't be finished on time.
2．She didn't sleep well because she was worried and upset (心烦意乱的)about many things.
3．Maria has written two novels，both of which have been made into television series．
4．It is very important to stay calm (冷静的)when an earthquake happens.
5．Children should spend more time taking exercise outdoors and less time watching TV at home.
