1 . — What do you think of your school, Linda?
— It’s a good place for us to ________ ourselves for the future.

A．promise

B．prevent

C．prepare

D．prefer

2 . I cannot________（许诺） you anything at this moment,but I will try my best.

3 . Parents always ________ us not to swim in the river in summer.

A．promise

B．train

C．warn

D．show

4 . In our life time, we should not break a________easily. That's because once it's broken, sorry means nothing.

A．rule

B．reason

C．promise

5 . I will see what I can do, but I can’t              anything.

A．promise

B．plan

C．prepare

D．protect

6 . —Did you accept his invitation to visit the school?
—No, I ______ him because I would be busy that day.

A．punished

B．warned

C．promised

D．refused