----- It’s too strange that these people should laugh when their relatives die.
----- That is the local custom ______ the seventeenth century.
| A．dates back to | B．dated back to |
| C．dating back to | D．had dated back to |
If you ____________ stop smoking, you can only expect to have a bad cough.
| A．won’t | B．would not | C．do not | D．can not |
--Paul, I'd like to have a talk with you at tea break.
-- __________ Have what with me?
| A．Yes, please. | B．Sorry? | C．Thanks. | D．You're welcome. |
__________ some maddals came to live in the sea is not
| A．Which | B．Since | C．Although | D．How |
--Nancy is not coming tonight. --But she ___________ !
| A．promises | B．promised | C．will promise | D．had promised |
__________ , we'll come to see you again.
| A．If time will permit | B．Time permits | C．Time permitting | D．Time permitted |