All flights _____because of the snowstorm，we decided to take the train instead.
A．were canceled B．had been canceled
C．having canceled D．having been canceled
---Have you seen the film Under the Hawthorn Tree(山楂树之恋)?
---Of course, I have .it was in our village ____ it was made.
A．that B．where C．when D．which
I suggest that the person ____put into prison.
A．refer to B．referred to was
C．referred to be D．referring to should be
To make members of a team perform better, the trainer first of all has to know their ___and weaknesses.
A．benefits B．strengths C．techniques D．values
____well prepared you are ,you still need a luck in mountain climbing .
Helping others is a habit，______you can learn even at an early age.
A it B. that C. what D. one
