_________, they delivered the message as quickly as they could.
| A．Arriving at | B．On arriving | C．When arriving | D．Arrived |
It took me some time to ____ what I had heard.
A digest B swallow C eat D chew
There was a lot of fun at yesterday’s party. You _____ have come, but why didn’t you?
A must B shouldn’t C needn’t D ought to
There is no night on. They _____ be at home.
A can’t B mustn’t C needn’t D shouldn’t
A monument was built ______ those who lost their lives for the foundation of New China.
A in place of B in memory of C instead of D in tome of
To their ______, the new employee did a fairly good job.
A satisfaction B sadness C happy D disappointment