5. All their attempts to ________ the child from the burning building were in vain.
6.
| A．regain | B．recover | C．rescue | D．reserve |
You can never imagine what great difficulty I had ________ his parents.
| A．finding | B．of finding | C．to find | D．about finding |
—Who called just now， Sam?
—It’s Terry. She asked _____.
| A．that Alice was in | B．if was Alice in |
| C．if Alice was in | D．whether was Alice in |
I don’t think she is a wise woman; I am _____ her empty talk.
| A．grateful for | B．tired of | C．interested in | D．worried about |
—Do you know the most ancient city in China—Xi’an well?
—No，this is the first time I ________ here.
| A．came | B．have come | C．am coming | D．come |
The number of people invited ______fifty, but a number of them ______absent for different reasons.
A. were; was B. was; was C. was; were D were; were