23. — Let’s discuss the question raised last night, shall we?
— There is no hurry for that. I___for a conference.
| A．headed | B．was heading | C．am heading | D．have headed |
--- I’d like to quit my job and start my own business.
-- You don’t have a good knowledge of the market． _________
| A．Better play it safe | B．I can’t agree more |
| C．Sounds great | D．Good luck |
Though the long-distance runner ______ his previous record last month, his trainer let him ______ its speed as he went around the curve.．
| A．bettered; slowed | B．better ; to slow |
| C．bettered; slow | D．better; slow |
Mr．Jones was so late that his dinner got cold; his wife ______ warm it up．
| A．must | B．had to | C．ought to | D．might |
---- Tom must have been in his girlfriend’s house on Christmas Eve, ________?
----- ___________．He was seeing a film all night long with us ．
| A．mustn’t he；Yes ; | B．wasn’t he， No ; |
| C．hasn’t he；Yes; | D．didn’t he；No; |
--- How much do I owe you for lunch?
--- ．It’s nothing.
| A．You’re welcome | B．Forget it |
| C．With pleasure | D．That’s right |