People who are infected with HIV are often looked down upon because social _____ against the disease runs so deep.
| A．preference | B．conflict | C．prejudice | D．status |
Those are model teachers, most of ______ are young women.
| A．that | B．who | C．whom | D．whose |
_____ more time, we could have done the job better.
| A．Given | B．To give | C．Giving | D．Having given |
Could it be in the public phone box ______ you made me the call yesterday ______ you lost your IP card?
| A．that; how | B．which; that | C．where; that | D．when; how |
There is no point making complaint of getting low-paid ______ you don’t make any effort at all.
| A．until | B．when | C．once | D．though |
My dog made a mess in the living room, ______ really annoyed me.
| A．who | B．when | C．that | D．which |