Not until his father died _______ what his father really meant.
| A.do they realize | B.did they realize | 
| C.realized they | D.had they realized | 
I got to the office earlier that day,________ the 7:30 train from Paddington.
| A.caught | B.to have caught | 
| C.to catch | D.having caught | 
The manager _______ his workers how to improve the program since 9 am.
| A.has told | 
| B.is telling | 
| C.has been telling | 
| D.will have told | 
I can ______ the house being untidy, butI hate it if it’s not clean.
| A.come up with | 
| B.put up with | 
| C.turn to | 
| D.stick to | 
According to scientists, our mental abilities begin to __________ from the age of 27 after reaching the highest level at 22.
| A.differ | B.shrink | C.fail | D.decline | 
The Well Hotel stands in a quiet place_______ the main road at the far end of the lake.
| A.to | B.for | C.off | D.out |