People think “SOS” is the simplest and common to make, in time of danger or disaster.
| A．mark | B．sign | C．signal | D．remark |
You job here is only _____, for you will be removed from it when we have a proper post for you．
| A．permanent | B．contemporary | C．temporary | D．fundamental |
After her son’s death, the old lady _____ sit at the window, deep in thought．
| A．would | B．should | C．could | D．might |
His sacrifices for the country were never officially _____, which made all of us feel discouraged．
| A．acknowledged | B．appealed | C．recommended | D．commanded |
He was very busy, and _____ he didn’t go to the party that night．
| A．however | B．otherwise | C．therefore | D．anyhow |
Police are searching for an escaped criminal who is reported to _____ since he broke away from the prison．
| A．have been missing | B．have lost |
| C．be missing | D．get lost |