There is a new problem involved in the popularity of private cars ______road conditions need______.
| A．that; to be improved | B．which; to be improved |
| C．where; improving | D．when; improving |
．— Are you getting a new apartment this year?
— ________ I can’t afford to pay my bills, let alone buy a new apartment.
| A．Don’t mention it． | B．You must be joking． |
| C．Are you sure? | D．Good idea. |
As far as I know, he is seldom, _______ , late for school.
| A．if so | B．if never | C．if ever | D．if any |
．— My mum is a typist.
— I know this sort of work _______ skill and speed.
| A．asks for | B．looks for | C．calls for | D．pays for |
— You were out when I dropped in at your house.
— Oh, I _______ for a friend from England at the airport.
| A．was waiting | B．had waited | C．am waiting | D．have waited |
A new library is being built _______ there was a playground .
| A．that | B．in which | C．where | D．when |