______ for the free tickets, I would not have gone to “Avatar” three times.
| A．If it is not | B．were it not | C．Had it not been | D．If they were not |
I am sorry to say that our food is almost______. We cannot survive if there is no one to help us.
| A．by the end | B．at the end | C．in the end | D．at an end |
When the baby was crying, she started singing to him and was_______ with a smile.
| A．rewarded | B．awarded | C．prized | D．valued |
Only______ people can have a good understanding of the lecture given by the scientist.
| A．devoted | B．generous | C．educated | D．reliable |
I_______ laughing when my son made a face.
| A．burst into | B．burst upon | C．burst out | D．burst on |
She is an excellent student in our class, and she always________ herself in her studies.
| A．hides | B．buries | C．covers | D．leaves |