The gentleman does not ____the argument but watches the other guests.
| A．drop in | B．fill in | C．put in | D．join in |
He got up late and hurried to his office,the breakfast untouched.
| A． | left | B． | to leave | C． | leaving | D． | having left |
The secretary arranged a(n)___________time and space for the applicants to have an interview.
| A．important | B．spare | C．public | D．convenient |
It doesn't matteryou turn right or left at the crossing ---both roads lead to the park.
| A． | whether | B． | how | C． | if | D． | when |
It’s quite warm here; we __________turn the heating on yet.
| A．couldn’t | B．mustn’t | C．needn’t | D．wouldn’t |
I wish to thank Professor Smith, withouthelp I would never have got this far.
| A． | who | B． | whose | C． | whom | D． | which |