34．—You didn’t wait for Mr. Smith last night, did you?
—Yes, but we___________. He didn’t return home at all.
| A．don’t have to | B．needn’t have | C．didn’t need to | D．should have |
He was unaware of the financial crisis involed, so his choice was quite_____.
| A．rational | B．arbitrary | C．mechanical | D．predictable |
____the sketch of Xiao Shenyang made a _____has been known to us all.
| A．That; hit | B．What; strike | C．Why; beat | D．which; knock |
That Xiao Shenyang was elected_____model worker of May Day caused ____enthusiastic discussion in China.
| A．the; the | B．a; an | C．the; a | D．a; the |
----What do you know the _____ of are the pig influenza in humans?
---- usually similar to regular human seasonal influenza .
| A．symptoms | B．sympathy | C．symbol | D．symptom |
People go out with masks,________.
| A．fear of swine flu. | B．afraid of swine flu. |
| C．fearing of the pig flu. | D．being afraid of swine flu.. |