3．Which jobs ________ we ________(suppose)to take?

2．As a result the cost of production ________(cut)by 25.2 percent so far.

1．What you consider it ________(be)right may not be right.

5．The written examination was probably not known until the 19th century.

　It ________ ________ ________ the 19th century ________ the written examination was probably known.

4．Today our knowledge of food and what it does for our bodies is far more advanced than that of the ancients.

　Today _______ we know about food and what food does for our bodies is _______ more advanced than the ancients ________.

3．One of the commonest and most dangerous causes of home accidents is carelessness in using electrical equipments.

　　 One of the commonest and most dangerous causes of home accidents is ________ ________ ________ electrical equipments.

2．We must check the machine before we use it.

　　 Before ________ ________, the machine must be checked.

1．I hear the Air Festival will be over in two or three days.

　　 I hear the Air Festival ________ ________ ________ ________ ________ in ________ ________ of days.

10．The restaurant is often praised for its delicious food and ________(满意)service．

9．The ________(大多数)of people are for the plan that the hotel be built near the sea.